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.


Individual Page


Family:
Marriage: Children:
  1. Agnes Of Brienne Death: After 1305
  2. Gautier V Count Of Brienne, Duke Of Athens Death: 15 Mar 1311 in Thebes

Bibliography
  1. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.3 (#401-#600): Andere Grosse Eurpaische Familien, Illegitime Nachkommen Spanischer und Portugiesischer Konigshauser. Marburg: Verlag von J. A. Stargardt, 1985. Information from this source tagged as [Ref: ES III.3 #[0-9]*].
  2. 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]*].
  3. 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 v3p[0-9]*].

Sources for birth and parent Information
father:
[Ref: ES III.3 #441, Richardson RoyalAnc v3p409]
Sources with Information about marriage to Hugues Count Of Brienne
date:
abt 1270 [Ref: Richardson RoyalAnc v3p409]
um 1270 [Ref: ES III.3 #441, ES III.4 #682],
child:
[Ref: ES III.4 #682, Richardson RoyalAnc v3p409]
Research Notes:



Pedigree of Isabelle Of Roche-Sur-L'Ognon
                                     /-----Pons De La Roche
                            /-----Othen De La Roche
                   /-----Pons De La Roche, Lord Of Ray
          /-----Othon I Lord Of Ray And Athens
         |         \-----Mathelie
 /-----Guy I De La Roche, Duke Of Athens
Isabelle Of Roche-Sur-L'Ognon
 \-----Agnes
         |         /-----Geoffroy I De Villehardouin, Prince Of Achaia
          \-----(Unk Dau) De Villehardouin
                   \-----Elisabeth De Chappes



Descendants of Isabelle Of Roche-Sur-L'Ognon
1. Isabelle Of Roche-Sur-L'Ognon m. Hugues Count Of Brienne
m. Hugues Count Of Brienne father: Gautier IV The Great Count Of Brienne mother: Maria Of Cypres

2nd generation

2. Agnes Of Brienne m. Jean II Blondel Count Of Joigny
m. Jean II Blondel Count Of Joigny father: Jean I Count Of Joigny mother: Marie Of Mercoeur
3. Gautier V Count Of Brienne, Duke Of Athens m. Jeanne Of Chatillon
m. Jeanne Of Chatillon father: Gaucher V Of Chatillon, Count Of Porcien mother: Isabeau Of Dreux

3rd generation

5. Isabeau Of Brienne m. Walter III Lord Of Enghein
m. Walter III Lord Of Enghein father: Walter II Of Enghein mother: Jolande Of Flanders

4th generation

10. Louis Of Enghien, Count Of Brienne, Duke Of At m. Giovanna Of Sanserverino
m. Giovanna Of Sanserverino father: Antonio Of Sanserverino, Count Of Marsico mother: Isabeau Of Baux

5th generation

19. Marguerite De Enghien m1. Pierre Of Baux m2. Jacopo SANSEVERINO m3. Jean II Count Of Brienne And Conversano
m. Pierre Of Baux
m. Jacopo SANSEVERINO
m. Jean II Count Of Brienne And Conversano father: Guy Count Of Ligny, And St. Pol mother: Mathilde Of Chatillion