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Person Info

Name: Geoffrey II PLANTAGENET, Duke Of Brittany
Sex: M
Birth: 23 Sep 1158 ^b
Death: 19 Aug 1186 in Paris ^d
Burial: Notre Dame Cathedral ^u

Parents:

Father:
Henry II Curt Mantel PLANTAGENET, King Of England Birth: 5 Mar 1132/3 in Le Mans, Sarthe, France Death: 6 Jul 1189 in Chinon, Tours, France

Mother:

Eleanor Duchess Of Aquitaine Birth: 1122 in Nieul-sur-l'Autize (Vendee) Death: 1 Apr 1204 in Mirabell Castle, Poitiers, France

Family:
Marriage:

Constance Countess Of Brittany on Jun 1181 .^m1
Constance Countess Of Brittany Birth: Abt 1161 Death: 4 Sep 1201 in Nantes

Children:

Eleanor Of Brittany Birth: 1184 Death: 10 Aug 1241 in Bristol
Maud Of Brittany Birth: 1185 Death: Before May 1189
Arthur I Duke Of Brittany Birth: 29 Mar 1187 in Nantes Death: 3 Apr 1203 in Rouen

Bibliography

Beltz, George Frederick, Memorials of the most noble Order of the Garter. London: Pickering, 1841. Available at http://archive.org/details/memorialsofmostn00beltuoft Information from this source tagged as [Ref: Beltz KnightsofGarter p[0-9]*].
Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
Previte-Orton, C. W., The Shorter Cambridge Medieval History, Cambridge: University Press, 1952. Reprinted with corrections 1960. Available at (part 1) http://archive.org/details/in.ernet.dli.2015.149173 and (part 2) http://archive.org/details/in.ernet.dli.2015.149602. Information from this source tagged as [Ref: CMH p[0-9]*].
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].*].
Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 06 Gordon-Huntley. 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 VI [Ap][p0-9].*].
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].*].
Clutterbuck, Robert, History and Antiquities of the County of Hertford, London: Nichols, Son, and Bentley, 1815-27, v1-3. Available at https://familysearch.org/search/catalog/188626. Information from this source tagged as [Ref: Clutterbuck Hertford v[1-3]p[0-9]*].
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
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]*].
Faris, David, Plantagenet ancestry of seventeenth century colonists: the descent from the later Plantagenet Kings of England, Henry III, Edward I, Edward II, and Edward III, of emigrants from England and Wales to the North American colonies before 1701, second edition. Boston: New England Historical Genealogical Society, 1999. NYPL APR (New England) 01-1513. Information from this source tagged as [Ref: Faris PA2 p[0-9ivxc]*].
Foss, Edward, Biographia Juridica, Biographical Dictionary of the Judges of England, London: John Murray, 1870. Available at https://books.google.com/books?id=O0oBAAAAQAAJ Information from this source tagged as [Ref: Foss Judges p[0-9]*].
The Henry Project: The Ancestors of King Henry II of England, An eperiment in a cooperative online database for scholarly medieval genealogy. Contributors and Editors: Stewart Baldwin, Todd Farmerie, Peter Stewart. Available at https://fasg.org/projects/henryproject/ Information from this source tagged as [Ref: HenryII .*].
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]*].
Louda, Jiri, and Michael MacLagan, Heraldry of The Royal Families of Europe. New York: Clarkson Potter, 1981. Morris County Library 929.6094. Information from this source tagged as [Ref: Louda RoyalFamEurope #[0-9]*].
Mississippienne, Grandchildren of Eleanor of Aquitaine. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 10/18/2005. Subject: Grandchildren of Eleanor of Aquitaine. Available at https://groups.google.com/g/soc.genealogy.medieval/c/_fw9nQSwF5A/m/lLu6HVAsF64J. Author address: Mississippienne at gmail dot com. Information from this source tagged as [Ref: Mississippienne SGM 10/18/2005-013052].
Paget, Gerald, The Lineage and Ancestry of H.R.H. Prince Charles, Prince of Wales. London: Charles Skilton Ltd, 1977. Nypl ARF+ 78-835. Information from this source tagged as [Ref: Paget HRHCharles p[0-9]*].
Richardson, Douglas, Plantagenet Ancestry: A Study in Colonial and Medieval Families. Baltimore, MD: Genelogical Publishing Co, 2004. Information from this source tagged as [Ref: Richardson PA 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 v2p[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]*].
Tapsell, R. F., Monarchs, Rulers, Dynasties and Kingdoms of the World. New York: Facts on File Publications, 1983. Information from this source tagged as [Ref: Tapsell Dynasties p[0-9]*].
Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].

Sources for birth and parent Information

date:: [Ref: Burke Peerage ccliii, CP X p795, ES II #83. Paget p14, ES II #83, Faris PA2 p279, HenryII henry002 6/27/2004, Richardson PA p6, Richardson RoyalAnc v1p34, Richardson RoyalAnc v1p544]; 1158 [Ref: Louda RoyalFamEurope #2]; Sep 1158 [Ref: Keats-Rohan DD p944],
parents:: [Ref: Burke Peerage ccliii, CMH p608, CP V p736f, CP X p795, ES II #83, Faris PA2 p279, HenryII henry002 6/27/2004, Keats-Rohan DD p1103, Keats-Rohan DD p944, Louda RoyalFamEurope #2, Paget HRHCharles p14, Richardson PA p6, Richardson PA pxxviii, Richardson RoyalAnc v1c2, Richardson RoyalAnc v1p34, Richardson RoyalAnc v1p544, Watney WALLOP #155],
father:: [Ref: CP III p168 (with corr in XIV p171), Louda RoyalFamEurope #1, Sanders Baronies p140, Tapsell Dynasties p203]

Sources for death Information

date:: [Ref: Burke Peerage ccliii, CP X p780, CP X p796, ES II #75 (as replaced in III.1), ES II #83, Faris PA2 p279, HenryII henry002 6/27/2004, Keats-Rohan DD p944, Paget HRHCharles p14, Richardson PA p6, Richardson RoyalAnc v1p34, Richardson RoyalAnc v1p544, Richardson RoyalAnc v2p152]; 1186 [Ref: CMH p608, CP X p794, Keats-Rohan DD p1103, Keats-Rohan DD p237, Louda RoyalFamEurope #2, Richardson PA pxxviii, Richardson RoyalAnc v1c2, Sanders Baronies p140, Tapsell Dynasties p203],
place:: [Ref: CP X p796, ES II #83, Faris PA2 p279, Keats-Rohan DD p944, Paget HRHCharles p14, Richardson PA p6, Richardson RoyalAnc v1p34, Richardson RoyalAnc v1p544, Richardson RoyalAnc v2p152]

Sources for burial Information

place:: [Ref: CP X p796, Faris PA2 p279, Paget HRHCharles p14, Richardson PA p6, Richardson RoyalAnc v1p34, Richardson RoyalAnc v1p544]; Paris [Ref: HenryII henry002 6/27/2004]

Sources with Information about marriage to Constance Countess Of Brittany

date:: [Ref: ES II #75 (as replaced in III.1)]; 1181 [Ref: CP X p780, CP X p794, Louda RoyalFamEurope #2]; 1181, affianced when infants [Ref: Keats-Rohan DD p237]; Jul 1181 [Ref: Burke Peerage ccliii, Faris PA2 p279, Paget HRHCharles p14]; VII 1181 [Ref: ES II #83]; abt Jul 1181 [Ref: Richardson PA p6, Richardson RoyalAnc v1p34, Richardson RoyalAnc v1p544]; betrothed as a child, married in 1181 [Ref: Keats-Rohan DD p944]; by agreement 1166 [Ref: Richardson RoyalAnc v1p542]; first marriage of Constance [Ref: CP III p168 (with corr in XIV p171), ES III.4 #810, Foss Judges p102, Richardson RoyalAnc v2p152, Sanders Baronies p140],
names:: [Ref: Beltz KnightsofGarter p196, Burke Peerage cclxxxvii, HenryII henry002 6/27/2004, Richardson PA pxxviii, Richardson RoyalAnc v1c2, Watney WALLOP #155],
child:: [Ref: Burke Peerage ccliii, CMH p608, CP V p736f, CP VI p457(d), CP X p797, CP X p799, Clutterbuck Hertford v2p85, ES II #83, Faris PA2 p279, Keats-Rohan DD p944, Mississippienne SGM 10/18/2005-013052, Paget HRHCharles p14, Richardson PA p6, Richardson PA p7, Richardson RoyalAnc v1p36, Richardson RoyalAnc v1p37, Richardson RoyalAnc v1p544]

1. Geoffrey II PLANTAGENET, Duke Of Brittany m. Constance Countess Of Brittany

m. Constance Countess Of Brittany father: Conan IV Le Petit Duke Of Brittany mother: Margaret Of Huntingdon

2 Eleanor Of Brittany

3 Maud Of Brittany

4 Arthur I Duke Of Brittany

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.

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