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Person Info

Name: John III De BRETAGNE, Duke Of Brittany
Sex: M
Birth: 7 Mar 1285/6 in Champtoceoux ^b
Death: 30 Apr 1341 in Caen ^d
Burial: Ploermel Karmeliterk ^u

Parents:

Father:
Arthur II De BRETAGNE, Duke Of Brittany Birth: 25 Jul 1262 Death: 27 Aug 1312 in Chateau De L'Isle B La Roche-Bernard

Mother:

Mary De Limoges Birth: 1260 Death: 1291

Family:
Marriage:

Isabel Of Valois on 1298 .^m1
Isabel Of Valois Birth: 1292 Death: 1309

Marriage:

Isabella Of Castile on After 21 Jun 1310 at Burgos .^m2
Isabella Of Castile Birth: 1283 in Toro Death: 24 Jul 1328

Marriage:

Joan Of Savoy on 21 Mar 1328/9 at Chartres .^m3
Joan Of Savoy Birth: Abt 1310 Death: 29 Jun 1344 in Chatueau De Vicennes

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]*].
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 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]*].
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]*].
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 v2p[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:: [Ref: CP X p818]; 1286 [Ref: Louda RoyalFamEurope #47]; 8.III 1286 [Ref: ES II #18],
place:: [Ref: CP X p818, ES II #18],
parents:: [Ref: CP X p814(b), CP X p818, Clutterbuck Hertford v2p85, ES II #18],
father:: [Ref: Beltz KnightsofGarter p196]

Sources for death Information

date:: [Ref: CP X p818, ES II #18, ES II #192, ES II #22, ES II #63, ES II #71]; 1341 [Ref: CMH p902, Louda RoyalFamEurope #47],
place:: [Ref: CP X p818, ES II #18, ES II #22]

Sources for burial Information

place:: [Ref: CP X p819, ES II #18]

Sources with Information about marriage to Isabel Of Valois

date:: [Ref: CP X p819]; anfang 1297 [Ref: ES II #22]; fruhjahr 1297 [Ref: ES II #18],
names:: [Ref: Clutterbuck Hertford v2p85, Richardson RoyalAnc v5p231]

Sources with Information about marriage to Isabella Of Castile

date:: (papal disp 21.VI) 1310 [Ref: ES II #18, ES II #63]; 1310 [Ref: CP X p818, CP X p819, ES II #71, Louda RoyalFamEurope #47],
place:: [Ref: CP X p819, ES II #18, ES II #63, ES II #71],
names:: [Ref: CMH p902, Clutterbuck Hertford v2p85, Richardson PA p194, Richardson RoyalAnc v2p119]

Sources with Information about marriage to Joan Of Savoy

date:: [Ref: CP X p818]; 21.III 1329 [Ref: ES II #18, ES II #192],
place:: [Ref: CP X p818, ES II #18],
names:: [Ref: Clutterbuck Hertford v2p85]

1. John III De BRETAGNE, Duke Of Brittany m1. Isabel Of Valois m2. Isabella Of Castile m3. Joan Of Savoy

m. Isabel Of Valois father: Charles Count Of Valois And Anjou mother: Margaret Of Naples

m. Isabella Of Castile father: Sancho IV King Of Castile And Leon mother: Maria Alfonso Of Molina

m. Joan Of Savoy father: Edward Count Of Savoy mother: Blanche Of Burgundy

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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