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Person Info

Name: William FITZALAN, Baron Of Oswestry
Sex: M
Birth: 1 ^b
Death: 1215 ^d

Parents:

Father:
William FITZALAN, Baron Of Oswestry Birth: Abt 1155 Death: 1210

Mother:

(Unk Dau) De LACY

Family:
Marriage:

Mary De ERDINGTON on 1 .^m1
Mary De ERDINGTON Death: After Jun 1220

Bibliography

Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 03 Canonteigh-Cutts. London: St Catherine Press, 1913. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 3 also available at http://archive.org/completepeerageo03coka Information from this source tagged as [Ref: CP III [Ap][p0-9].*].
Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 05 E-Goojerat. London: St Catherine Press, 1926. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP V [Ap][p0-9].*].
Phillips, Chris, Corrections and Additions to the Complete Peerage, http://www.medievalgenealogy.org.uk/cp/index.shtml Information from this source tagged as [Ref: CP++ .*].
Keats-Rohan, K.S.B., Domesday Descendants, A Prosopography of Persons Occurring in English Documents 1066-1166. Vol II: Pipe Rolls to Cartae Baronum. Bury St Edmunds, Suffolk: Boydell Press, 2002. NYPL ARF 03-4178 vol 2. Corrections at http://users.ox.ac.uk/~prosop/domesday-descendants-corrigenda.pdf Information from this source tagged as [Ref: Keats-Rohan DD p[0-9]*].
Sanders, I. J., English Baronies, A Study of Their Origin and Descent 1086-1327. Oxford: Clarendon Press, 1960. Information from this source tagged as [Ref: Sanders Baronies p[0-9]*].

Sources for birth and parent Information

date:: first son [Ref: CP III p335, CP V p392, Sanders Baronies p71],
parents:: William FITZ ALAN & ___ dau Hugh de LACY [Ref: CP++ Fitzalan 12/31/2006 (CP V p392)],
father:: [Ref: CP III p335, CP V p392, CP++ Clun 12/31/2006 (CP III p335), Keats-Rohan DD p861, Sanders Baronies p71]

Sources with Inaccurate birth and parent Information

mother:: Isabel de SAY (#10285) [Ref: CP III p335, CP V p392]

Sources for death Information

date:: 1215-17 [Ref: Sanders Baronies p71]; 1216 [Ref: CP III p335, CP V p392]; Easter 1215 [Ref: CP++ Clun 12/31/2006 (CP III p335)]; abt Easter 1215 [Ref: CP++ Fitzalan 12/31/2006 (CP V p392)]

Sources with Information about marriage to Mary De ERDINGTON

date:: first marriage of Mary [Ref: CP++ Fitzalan 12/31/2006 (CP V p392)]

Research Notes:
Lord of Clun and Oswestry [Ref: CP III p335]

of Clun and Oswestry [Ref: CP V p392]

heir of his father [Ref: CP V p392]

inherited Barony of Oswestry from father [Ref: Sanders Baronies p71]

d.s.p; heir was his brother John [Ref: CP III p335, CP V p392, Sanders Baronies p71]

Pedigree of William FITZALAN, Baron Of Oswestry
                                              /-----Flaald Seneschal Of Dol
                                     /-----Alan Fitz Flaald
                            /-----Fleald Fitz Alan
                   /-----Alan FITZ FLEALD
          /-----William FITZALAN, Baron Of Oswestry
         |        |                  /-----(Unk) De HESDIN
         |        |         /-----Ernulph De HESDIN, Baron Of Keevil
         |         \-----Avelina De HESDIN
         |                  \-----Emmeline
/-----William FITZALAN, Baron Of Oswestry
|        |                           /-----(Unk) De SAY
|        |                  /-----Robert Picot De Say, Baron Of Clun
|        |         /-----Elias De SAY, Baron Of Clun
|        |        |         \-----Adeloia
|         \-----Isabel De SAY
William FITZALAN, Baron Of Oswestry
|                  /-----Gilbert De LACY
|                 |        |                  /-----Hugh De LACY
|                 |        |         /-----Walter I De LACY, Baron Of Weobley
|                 |         \-----Emma De LACY
|                 |                  \-----Emma
|         /-----Hugh De LACY, Baron Of Weobley
\-----(Unk Dau) De LACY
         |                                    /-----Caradoc De La BOUSSAC
         |                           /-----Baderon Baron Of Monmouth
         |                  /-----William Fitz BADERON, Baron Of Monmouth
         |         /-----Baderon De MONMOUTH
         |        |         \-----Hawise
          \-----Roheis De MONMOUTH
                  |                                             /-----Richard I The Fearless Duke Of Normandy
                  |                                    /-----Godfrey Count Of Brionne
                  |                                   |         \-----Gunnora
                  |                           /-----Gilbert Count Of Brionne
                  |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                  |         /-----Gilbert FITZ RICHARD, Baron Of Clare
                  |        |        |                  /-----Osbern De Bolbec, Seigneur Of Longueville
                  |        |        |         /-----Walter Giffard Lord Of Longueville
                  |        |        |        |        |         /-----(Unk) Forquelar Of Cirques
                  |        |        |        |         \-----Wevie
                  |        |         \-----Rohese GIFFARD
                  |        |                 |         /-----Gerard De FLEITELL
                  |        |                  \-----Ermengarde FLATEL
                   \-----Rohese De CLARE
                           |                                    /-----Renaud
                           |                           /-----Hugh Butler Of France
                           |                  /-----Renaud Count Of Clermont
                           |         /-----Hugh Count Of Clermont
                           |        |         \-----Ermengardis
                            \-----Adeliza De CLERMONT
                                    |                           /-----Hildouin I Seigneur De Rameru
                                    |                  /-----Hildouin II De Rameru
                                    |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
                                    |        |         \-----Anonima
                                     \-----Margaret De Roucy
                                             |                  /-----Giselbert Count Of Roucy
                                             |         /-----Ebles I Count Of Rheims And Roucy
                                             |        |         \-----(Unk Dau)
                                              \-----Adele De Roucy
                                                      |         /-----Regnier IV Count Of Hainault
                                                       \-----Beatrix Of Hainault
                                                                \-----Hedwig Of France

Descendants of William FITZALAN, Baron Of Oswestry

1. William FITZALAN, Baron Of Oswestry m. Mary De ERDINGTON

m. Mary De ERDINGTON father: Thomas De ERDINGTON mother: Rohese De COCFELDE

Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-30-2024.

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.

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