Individual Page

Person Info

Name: Geoffroy Sire De Mayenne
Sex: M
Death: 18 Feb 1169 ^d

Parents:

Father:
Juhael I Lord Of Mayenne Death: 23 Dec 1161

Mother:

Clemence Of Poitieu Death: 30 Nov Before 1189

Family:
Marriage:

Constance Of Brittany on Abt 1135 .^m1
Constance Of Brittany

Children:

Hamon Of Mayenne Death: After 1158

Marriage:

Isabella De BEAUMONT on After Nov 1162 .^m2
Isabella De BEAUMONT Death: 10 May 1220

Children:

Clemence Of Mayenne Death: Abt 1189
Juhael II Sire De Mayenne Death: Abt 2 May 1220
Matilda De Mayenne

Bibliography

Bevan, Rosie, Corrections to K. S. B. Keats-Rohan's Domesday Series, Volume II: Domesday Descendants. Version 7, 25 Sep 2005. Available at http://www.fmg.ac/Projects/Domesday/ Information from this source tagged as [Ref: Bevan DD++ p[0-9]*].
Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 07 Hussee-Lincolnshire. London: St Catherine Press, 1929. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP VII [Ap][p0-9].*].
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.4 (#601-#820): Das Feudale Frankreich und sein Einfluss auf die Welt des Mittelalters. Marburg: Verlag von J. A. Stargardt, 1989. Information from this source tagged as [Ref: ES III.4 #[0-9]*].
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. XIII: Les Familles Feodales de France I. Marburg: Verlag von J. A. Stargardt, 1990. Information from this source tagged as [Ref: ES XIII #[0-9]*].
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]*].
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 v1[pc][0-9]*].
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]*].
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 v5p[0-9]*].

Sources for birth and parent Information

date:: first son [Ref: Keats-Rohan DD p577],
parents:: [Ref: ES XIII #133, Keats-Rohan DD p577, Richardson RoyalAnc v4p72]

Sources for death Information

date:: [Ref: CP VII AppIp738(m), Richardson RoyalAnc v4p72]; 18.II or 25.VII 1169 [Ref: ES III.4 #700, ES XIII #133]

Sources with Information about marriage to Constance Of Brittany

date:: in or abt 1135 [Ref: Richardson RoyalAnc v4p72],
child:: [Ref: Richardson RoyalAnc v4p72]

Sources with Inaccurate marriage information

child:: Clemence (#36037) [Ref: Richardson RoyalAnc v4p73]; Clemence (#36037) and Maud (#199414) [Ref: Richardson RoyalAnc v4p72]

Sources with Information about marriage to Isabella De BEAUMONT

date:: after Nov 1162 [Ref: Richardson RoyalAnc v4p72]; first marriage of Isabella [Ref: Bevan DD++ p577, CP VII AppIp738(m), ES III.4 #719, Keats-Rohan DD p234, Richardson RoyalAnc v5p276]; um 1161 [Ref: ES III.4 #700, ES XIII #133],
child:: [Ref: ES XIII #133, Keats-Rohan DD p577, Richardson RoyalAnc v1p405, Richardson RoyalAnc v4p72]

Sources with Inaccurate marriage information