Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom available to be downloaded.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Marriage: Children:
  1. Jean D'AVESNES
  2. Baudouin D'AVESNES Death: After 1297

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 10, Oakham-Richmond. London: St Catherine Press, 1945. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP X [Ap][p0-9].*].
  2. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v4p[0-9]*].

Sources for birth and parent Information
date:
second son [Ref: CP X p16],
parents:
[Ref: Richardson RoyalAnc v4p54],
father:
[Ref: CP X p16]
Sources for death Information
date:
[Ref: CP X p16]
Sources with Inaccurate death Information
date:
17 Feb 1279 [Ref: Richardson RoyalAnc v4p54]
Sources for burial Information
place:
[Ref: Richardson RoyalAnc v4p54]
Sources with Information about marriage to Agnes De VALENCE
date:
third marriage of Agnes [Ref: CP X p16, CP X p381(c), Richardson RoyalAnc v4p54],
child:
[Ref: Richardson RoyalAnc v4p54]
Research Notes:
Seigneur de Beaumont [Ref: CP X p16]
Lord of Beaumont [Ref: Richardson RoyalAnc v4p54]

heir-apparent of his father [Ref: Richardson RoyalAnc v4p54]



Pedigree of John D'AVESNES, Seigneur De Beaumont
                                                       /-----Fastrad I Advocate Of Tournay
                                              /-----Fastrad II Advocate Of Tournay
                                             |        |         /-----Wilderich II The Bearded Lord Of Avesnes
                                             |         \-----Ida
                                     /-----Walter I Lord Of Avesnes, Leuze, And Conde
                                    |         \-----Richilda
                            /-----Nicholas Lord Of Avesnes, Leuze, And Conde
                           |        |                           /-----Ingelbart II Lord Of Peteghem
                           |        |                  /-----Alard I Lord Of Peteghem And Eine
                           |        |                 |         \-----Glismode
                           |        |         /-----Eberhard I Lord Of Mortagne
                           |         \-----Ida Of Mortagne
                           |                  \-----Francka
                   /-----Jacques I Seigneur Of Avesnes And Leuze
                  |        |                                    /-----Albert I Count Of Namur
                  |        |                           /-----Albert II Count Of Namur
                  |        |                          |         \-----Adelheid Of Lorraine
                  |        |                  /-----Albert III Count Of Namur
                  |        |                 |        |         /-----Gothelo I Duke Of Upper And Lower Lorraine
                  |        |                 |         \-----Regilinde Of Lorraine
                  |        |                 |                  \-----Ita
                  |        |         /-----Henry Count Of LaRoche
                  |        |        |        |                  /-----Bernard I Duke Of Saxony
                  |        |        |        |         /-----Bernard II Duke Of Saxony
                  |        |        |        |        |         \-----Hildegard Of Stade
                  |        |        |         \-----Ida Of Saxony
                  |        |        |                 |         /-----Henrich Margrave Of Schweinfurt
                  |        |        |                  \-----Eilika Of Schweinfurt
                  |        |        |                           \-----Gerberga Of Gleiberg
                  |         \-----Mathilda
                  |                 |                           /-----Waleran I The Old Count Of Arlan
                  |                 |                  /-----Udo/Waleran I Duke Of Limburg
                  |                 |                 |         \-----Adela
                  |                 |         /-----Henry I Duke Of Limburg
                  |                 |        |        |         /-----Frederick II Duke Of Lower Lorraine
                  |                 |        |         \-----Jutta
                  |                 |        |                  \-----Gerberge
                  |                  \-----Mathilda
                  |                          |                  /-----Hartwig II Pfalzgraf In Bavaria
                  |                          |         /-----Boto The Bold Von Botenstein
                  |                          |        |         \-----Frideruns
                  |                           \-----Adelaide
                  |                                   |         /-----Otto III Count Of Schweinfurt, Duke Of Swabia
                  |                                    \-----Judith Von Schweinfurt
                  |                                             \-----Ermengarde Markgrafin Of Susa
          /-----Richard Seigneur Of Avesnes
         |        |                           /-----Godfrey Seigneur De Guise
         |        |                  /-----Gui Seigneur De Guise
         |        |                 |        |                  /-----Hildouin II De Rameru
         |        |                 |        |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
         |        |                 |        |        |         \-----Anonima
         |        |                 |         \-----Ada De Roucy
         |        |                 |                 |         /-----Ebles I Count Of Rheims And Roucy
         |        |                 |                  \-----Adele De Roucy
         |        |                 |                           \-----Beatrix Of Hainault
         |        |         /-----Bouchard Seigneur De Guise
         |        |        |        |                           /-----Bouchard III Seigneur De Montmorency
         |        |        |        |                  /-----Herve Seigneur De Montmorency
         |        |        |        |         /-----Bouchard IV Seigneur De Montmorency
         |        |        |        |        |         \-----Agnes
         |        |        |         \-----Adelaide
         |        |        |                 |                  /-----Ivo I Count Of Beaumont
         |        |        |                 |         /-----Ivo II Count Of Beaumont
         |        |        |                 |        |         \-----Emma
         |        |        |                  \-----Agnes
         |        |        |                          |         /-----Enguerrand II Count Of Ponthieu
         |        |        |                           \-----Adelaide
         |        |        |                                    \-----Adelaide Of Normandy
         |         \-----Adelfia Heiress Of Guise
         |                  \-----Adelaide
 /-----Baldwin De AVESNES
|        |                                                      /-----Baldwin VI De MONS, Count Of Flanders
|        |                                             /-----Baldwin II Count Of Hainault
|        |                                            |         \-----Richilde Countess Of Hainault
|        |                                    /-----Baldwin III Count Of Hainault
|        |                                   |        |         /-----Henry II Of Brabant, Count Of Lorraine
|        |                                   |         \-----Ida Of Louvain
|        |                                   |                  \-----Adelaide Of Betuew
|        |                           /-----Baldwin IV Count Of Hainault
|        |                          |        |                  /-----Dietrich Flameus Count In The Velux
|        |                          |        |         /-----Gerald I Count Of Guelders And Wassenberg
|        |                          |         \-----Yolande Of Guelders
|        |                  /-----Baldwin V Count Of Hainaut And Namur
|        |                 |        |                           /-----Albert II Count Of Namur
|        |                 |        |                  /-----Albert III Count Of Namur
|        |                 |        |                 |         \-----Regilinde Of Lorraine
|        |                 |        |         /-----Godfrey Count Of Namur
|        |                 |        |        |        |         /-----Bernard II Duke Of Saxony
|        |                 |        |        |         \-----Ida Of Saxony
|        |                 |        |        |                  \-----Eilika Of Schweinfurt
|        |                 |         \-----Alix De NAMUR
|        |                 |                 |                  /-----Giselbert Count Of Luxembourg
|        |                 |                 |         /-----Conrad I Count Of Luxembourg
|        |                 |                  \-----Ermesinde
|        |                 |                          |         /-----William V Peter Count Of Poitou, Duke Of Aquitaine
|        |                 |                           \-----Clementia Of Poitou
|        |                 |                                    \-----Emisinde Of Longwy
|        |         /-----Baldwin IX Eastern Emperor
|        |        |        |                                    /-----Gerhard III Count Of Alsace
|        |        |        |                           /-----Gerhard IV Count Of Alsatia, Duke Of Lorraine Mosel
|        |        |        |                          |         \-----Gisela
|        |        |        |                  /-----Thierry II Duke Of Lorraine
|        |        |        |                 |         \-----Hedwig
|        |        |        |         /-----Thierry Of Lorraine, Count Of Flanders
|        |        |        |        |        |                  /-----Baldwin V Count Of Flanders
|        |        |        |        |        |         /-----Robert Le FRISON, Count Of Flanders
|        |        |        |        |        |        |         \-----Adelaide Of France
|        |        |        |        |         \-----Gertrude Of Flanders
|        |        |        |        |                 |         /-----Bernard II Duke Of Saxony
|        |        |        |        |                  \-----Gertrude Of Saxony
|        |        |        |        |                           \-----Eilika Of Schweinfurt
|        |        |         \-----Margarite Of Lorraine, Heiress Of Flanders
|        |        |                 |                           /-----Geoffrey Ferreol Count Of The Gatinais
|        |        |                 |                  /-----Fulk IV Rechin Count Of Anjou
|        |        |                 |                 |         \-----Ermengarde Of Anjou
|        |        |                 |         /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
|        |        |                 |        |        |         /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
|        |        |                 |        |         \-----Bertrade De MONTFORT
|        |        |                 |        |                  \-----Agnes Of Evereux
|        |        |                  \-----Sybil Of Anjou
|        |        |                          |                  /-----John De BAUGENCY, Seigneur De La Fleche
|        |        |                          |         /-----Helias Count Of Maine
|        |        |                          |        |         \-----Paula Of Maine
|        |        |                           \-----Erembourg Of Maine
|        |        |                                   |         /-----Gervase Seigneur De Chateau-Du-Loir
|        |        |                                    \-----Matilda De Chateau-Du-Loir
|        |        |                                             \-----Aremburge
|         \-----Margaret Of Flanders
|                 |                                             /-----Eudes II Count Of Blois
|                 |                                    /-----Theobald III Count Of Blois And Champagne
|                 |                                   |         \-----Ermengarde Of Auvergne
|                 |                           /-----Stephen Count Of Blois, Leader Of First Crusade
|                 |                          |        |         /-----Herbert Count Of Maine
|                 |                          |         \-----Garsend Of Maine
|                 |                  /-----Theobald IV Count Of Blois
|                 |                 |        |                  /-----Robert I The Devil Duke Of Normandy
|                 |                 |        |         /-----William The Conqueror King Of England
|                 |                 |        |        |         \-----Herleve Of Falaise
|                 |                 |         \-----Adela
|                 |                 |                 |         /-----Baldwin V Count Of Flanders
|                 |                 |                  \-----Maud Of Flanders
|                 |                 |                           \-----Adelaide Of France
|                 |         /-----Henry I Count Of Champagne
|                 |        |        |                           /-----Siegfried Von Spondheim, Count Of Levanthal
|                 |        |        |                  /-----Engelbert I Von Spondheim, Count In Lavanthal
|                 |        |        |                 |         \-----Richardis
|                 |        |        |         /-----Engelbert II Duke Of Corinthia, Margrave Of Istria
|                 |        |        |        |        |         /-----Bernhard Von Flinsbach
|                 |        |        |        |         \-----Hedwig
|                 |        |        |        |                  \-----Alilia
|                 |        |         \-----Matilda Of Carinthia
|                 |        |                 |                  /-----Ratpoto IV Count Of Vohburg
|                 |        |                 |         /-----Ulrich The Rich Count Of Passau
|                 |        |                 |        |         \-----Mathilda Of Chimgau
|                 |        |                  \-----Uta Of Passau
|                 |        |                          |         /-----Kuno Count Of Lechsgemund
|                 |        |                           \-----Adelheid Countess Of Lechsgemund
|                 |        |                                    \-----Mathilde Of Achalm
|                  \-----Mary Of Champagne
|                          |                                    /-----Henry I King Of France
|                          |                           /-----Philip I King Of France
|                          |                          |         \-----Anne Of Kiev
|                          |                  /-----Louis VI The Fat King Of France
|                          |                 |        |         /-----Florent I Count Of Holland
|                          |                 |         \-----Bertha Of Holland
|                          |                 |                  \-----Gertrude Of Saxony
|                          |         /-----Louis VII The Young King Of France
|                          |        |        |                  /-----Amadeus II Count Of Savoy
|                          |        |        |         /-----Humbert II Count Of Maurienne And Savoy
|                          |        |        |        |         \-----Adelaide
|                          |        |         \-----Adelaide Of Savoy
|                          |        |                 |         /-----William I The Great Count Of Burgundy
|                          |        |                  \-----Gisele Of Burgundy
|                          |        |                           \-----Stephanie Of Barcelona
|                           \-----Mary
|                                   |                           /-----William VI Geoffrey Count Of Poitou
|                                   |                  /-----William VII Count Of Poitou, IX Duke Of Aquitain
|                                   |                 |         \-----Hildegarde Of Burgundy
|                                   |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
|                                   |        |        |         /-----William IV Count Of Toulouse
|                                   |        |         \-----Maud Of Toulouse
|                                   |        |                  \-----Emma De MORTAIN
|                                    \-----Eleanor Duchess Of Aquitaine
|                                            |                  /-----Boso II Vicount De Chastellerault
|                                            |         /-----Aimery I Vicount De Chatellerault
|                                            |        |         \-----Eleanor De THOUARS
|                                             \-----Eleanor De CHASTELLERAULT
|                                                     |         /-----Barthelemy Sire De Isle Bouchard
|                                                      \-----Dangerose
|                                                               \-----Gerberga
John D'AVESNES, Seigneur De Beaumont
|                                                               /-----Hugh Seigneur De Boves
|                                                      /-----Dreux De BOVES
|                                             /-----Enguerrand I De COUCY, Count Of Amiens
|                                            |        |         /-----Alberic Seigneur De Coucy
|                                            |         \-----Adele De Coucy
|                                            |                  \-----Adele
|                                    /-----Thomas De COUCY, Count Of Anvers
|                                   |        |                  /-----Giselbert Count Of Roucy
|                                   |        |         /-----Lutaud Seigneur De Marle
|                                   |        |        |         \-----(Unk Dau)
|                                   |         \-----Ade De ROUCY, Dame De Marle
|                                   |                  \-----Mathilde
|                           /-----Enguerrand II Sire De COUCY
|                          |        |         /-----Guy De CRECY En LAONNOIS
|                          |         \-----Melisende De CRECY En LAONNOIS
|                  /-----Ralph I Sire De COUCY
|                 |        |                                    /-----Landry Sire de Baugency
|                 |        |                           /-----Lancellin I Sire De Baugency In Orleanais
|                 |        |                  /-----Lanzelin II Seigneur De Baugency
|                 |        |         /-----Ralph Seigneur De BAUGENCI
|                 |        |        |         \-----Alberga
|                 |         \-----Agnes De BAUGENCI
|                 |                 |                           /-----Robert II The Pious King Of France
|                 |                 |                  /-----Henry I King Of France
|                 |                 |                 |         \-----Constance Of Provence
|                 |                 |         /-----Hugh Magnus Duke Of France
|                 |                 |        |        |         /-----Jaroslav I Grand Prince Of Kiev
|                 |                 |        |         \-----Anne Of Kiev
|                 |                 |        |                  \-----Ingegard
|                 |                  \-----Matilda Of Vermandois
|                 |                          |                  /-----Eudes Count Of Vermandois
|                 |                          |         /-----Herbert IV Count Of Vermandois
|                 |                          |        |         \-----Parvie
|                 |                           \-----Adelaide De Vermandois, Countess Of Vermandois
|                 |                                   |         /-----Raoul III The Great Count Of Valois And Vexin
|                 |                                    \-----Adela De Valois
|                 |                                             \-----Adela
|         /-----Thomas De Coucy Seigneur De Vervins
|        |        |                                             /-----Robert II The Pious King Of France
|        |        |                                    /-----Henry I King Of France
|        |        |                                   |         \-----Constance Of Provence
|        |        |                           /-----Philip I King Of France
|        |        |                          |        |         /-----Jaroslav I Grand Prince Of Kiev
|        |        |                          |         \-----Anne Of Kiev
|        |        |                          |                  \-----Ingegard
|        |        |                  /-----Louis VI The Fat King Of France
|        |        |                 |        |                  /-----Thierri III Count Of Holland
|        |        |                 |        |         /-----Florent I Count Of Holland
|        |        |                 |        |        |         \-----Othilde Of Franconia
|        |        |                 |         \-----Bertha Of Holland
|        |        |                 |                 |         /-----Bernard II Duke Of Saxony
|        |        |                 |                  \-----Gertrude Of Saxony
|        |        |                 |                           \-----Eilika Of Schweinfurt
|        |        |         /-----Robert I Count Of Dreux
|        |        |        |        |                           /-----Otto Count Of Savoy, Marquess Of Turin
|        |        |        |        |                  /-----Amadeus II Count Of Savoy
|        |        |        |        |                 |         \-----Adelaide Markgrafin Of Susa
|        |        |        |        |         /-----Humbert II Count Of Maurienne And Savoy
|        |        |        |        |        |         \-----Adelaide
|        |        |        |         \-----Adelaide Of Savoy
|        |        |        |                 |                  /-----Raynald I Count Of Burgundy
|        |        |        |                 |         /-----William I The Great Count Of Burgundy
|        |        |        |                 |        |         \-----Alice Of Normandy
|        |        |        |                  \-----Gisele Of Burgundy
|        |        |        |                          |         /-----Berengar Raimond I Count Of Barcelona
|        |        |        |                           \-----Stephanie Of Barcelona
|        |        |        |                                    \-----Guisle Of Lluca
|        |         \-----Adelaide Of Dreux
|        |                 |                  /-----Andre Seigneur De Baudmont
|        |                 |         /-----Gui Seigneur De Baudmont And Braine
|        |                 |        |         \-----Agnes Heiress Of Braine
|        |                  \-----Agnes De Baudemont
|        |                           \-----Adelaide
 \-----Felicite De Coucy
         |                                    /-----Eudes Count Of Rethel
         |                           /-----Gonthier/Itier Count Of Rethel
         |                          |        |                  /-----Manasses III Count Of Rethel
         |                          |        |         /-----Hugh I Count Of Rethel
         |                          |        |        |         \-----Yevette
         |                          |         \-----Mathilda Countess Of Rethel
         |                          |                 |         /-----Guy Seigneur De Montchery And Bray
         |                          |                  \-----Malisinde
         |                          |                           \-----Hodierna De La Ferte
         |                  /-----Manasses III Count Of Rethel
         |                 |        |                           /-----Albert II Count Of Namur
         |                 |        |                  /-----Albert III Count Of Namur
         |                 |        |                 |         \-----Regilinde Of Lorraine
         |                 |        |         /-----Godfrey Count Of Namur
         |                 |        |        |        |         /-----Bernard II Duke Of Saxony
         |                 |        |        |         \-----Ida Of Saxony
         |                 |        |        |                  \-----Eilika Of Schweinfurt
         |                 |         \-----Beatrix Of Namur
         |                 |                 |                  /-----Giselbert Count Of Luxembourg
         |                 |                 |         /-----Conrad I Count Of Luxembourg
         |                 |                  \-----Ermesinde
         |                 |                          |         /-----William V Peter Count Of Poitou, Duke Of Aquitaine
         |                 |                           \-----Clementia Of Poitou
         |                 |                                    \-----Emisinde Of Longwy
         |         /-----Hugh II Count Of Rethel
         |        |        |                           /-----Goswin Count Of Veldenz
         |        |        |                  /-----Emicho I Wildgraf, Count Of Kyrburg
         |        |        |                 |        |         /-----Emicho Count In Nehegau
         |        |        |                 |         \-----(Unk) Of Nehegau
         |        |        |                 |                  \-----Hizecha
         |        |        |         /-----Konrad I Wildgraf, Count Of Kyrburg
         |        |         \-----Mathilde Wildgrafin Of Kyrburg
         |        |                 |                           /-----Louis Of Montbeliard, Count Of Bar
         |        |                 |                  /-----Thierry II Count Of Bar
         |        |                 |                 |         \-----Sophia Countess Of Bar
         |        |                 |         /-----Renaud I Count Of Bar
         |        |                 |        |        |         /-----William I The Great Count Of Burgundy
         |        |                 |        |         \-----Ermentrude Of Burgandy
         |        |                 |        |                  \-----Stephanie Of Barcelona
         |        |                  \-----(Unk Dau) Of Bar
         |        |                          |                  /-----Gerhard IV Count Of Alsatia, Duke Of Lorraine Mosel
         |        |                          |         /-----Gerard I Of Lorraine, Count Of Vaudemont
         |        |                          |        |         \-----Hedwig
         |        |                           \-----Gisele De VAUDEMONT
         |        |                                   |         /-----Gerard II Count Of Egisheim
         |        |                                    \-----Helwide/Edith Of Egisheim
         |        |                                             \-----Richarde
          \-----Mahaut Of Rethel
                  |                                             /-----Hugues I Bardoul Lord Of Broyes And Beaufort
                  |                                    /-----Barthelemy Lord Of Broyes And Beaufort
                  |                                   |         \-----Alvidis
                  |                           /-----Hugues II Bardoul Lord Of Broyes, Beaufort, And Baye
                  |                          |        |         /-----Raoul III The Great Count Of Valois And Vexin
                  |                          |         \-----Adelaide Of Valois
                  |                          |                  \-----Adela
                  |                  /-----Simon I Lord Of Broyes, Beaufort, And Baye
                  |                 |        |                  /-----Guy Seigneur De Montchery And Bray
                  |                 |        |         /-----Milan Le Gros Seigneur De Montchery
                  |                 |        |        |         \-----Hodierna De La Ferte
                  |                 |         \-----Emeline Of Monthery
                  |                 |                 |         /-----William Count Of Eu
                  |                 |                  \-----Lithwise Vicomtes De Troyes
                  |                 |                           \-----Aelis
                  |         /-----Simon Lord Of Beauford
                  |        |        |                  /-----Walter I Count Of Brienne
                  |        |        |         /-----Erard I Count Of Brienne
                  |        |        |        |        |         /-----Milo Count Of Tonnerre
                  |        |        |        |         \-----Estachia
                  |        |        |        |                  \-----Azcha
                  |        |         \-----Felicite Of Brienne
                  |        |                 |                  /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
                  |        |                 |         /-----Andre De Roucy, Lord Of Rameru
                  |        |                 |        |         \-----Adele De Roucy
                  |        |                  \-----Alix Of Rameru
                  |        |                           \-----Adele
                   \-----Felicite De Broyes
                           |         /-----Renaud II Count Of Joigny
                            \-----Agnes Of Joigny
                                    |                           /-----William II Count Of Nevers
                                    |                  /-----William III Count Of Nevers D'Auxerre
                                    |                 |         \-----Adele
                                    |         /-----William IV Count Of Nevers
                                    |        |        |         /-----Engelbert II Duke Of Corinthia, Margrave Of Istria
                                    |        |         \-----Ida Of Karnten
                                    |        |                  \-----Uta Of Passau
                                     \-----Adele Of Nevers
                                             |                  /-----Hugh Magnus Duke Of France
                                             |         /-----Raoul I Count Of Vermandois
                                             |        |         \-----Adelaide De Vermandois, Countess Of Vermandois
                                              \-----Eleanore Of Vermandois
                                                      |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
                                                       \-----Petronelle Of Poitou
                                                                \-----Eleanor De CHASTELLERAULT



Descendants of John D'AVESNES, Seigneur De Beaumont
1. John D'AVESNES, Seigneur De Beaumont m. Agnes De VALENCE
m. Agnes De VALENCE father: William De VALENCE, Lord Of Valence mother: Joan De MUNCHENSEY