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.


Individual Page


Family:
Marriage: Children:
  1. Jocelyn De MONTFORT

Bibliography
  1. 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]*].
  2. 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]*].

Sources for birth and parent Information
parents:
[Ref: Richardson RoyalAnc v1p542],
father:
[Ref: Keats-Rohan DD p597]
Sources with Information about marriage to Oliver De MONTFORT
names:
[Ref: Richardson RoyalAnc v1p542],
child:
[Ref: Keats-Rohan DD p597]
Research Notes:



Pedigree of Joan Of Porhoet
                                              /-----Guethenoc Vicount Of Chateautro-En-Porhoet
                                     /-----Josselin Vicount Of Porhoet And Rennes
                                    |         \-----Allarum
                            /-----Eudon I Vicount Of Porhoet And Rennes
                   /-----Geoffrey Vicomte De Porhoet
                  |         \-----Anne De Leon
          /-----Eudes II Vicount Of Porhoet
         |        |                                             /-----Budic Count Of Cornuaille
         |        |                                    /-----Benoit Count Of Cornuaille
         |        |                           /-----Alain Cagnairt Count Of Cornuaille
         |        |                          |         \-----Guinodeon
         |        |                  /-----Hoel Count Of Cornouille
         |        |                 |        |                  /-----Hoel Count Of Nantes
         |        |                 |        |         /-----Judicael Count Of Nantes
         |        |                 |         \-----Judith Of Nantes
         |        |                 |                  \-----Melisende
         |        |         /-----Alan IV Fergent Duke Of Brittany
         |        |        |        |                           /-----Conan I Duke Of Brittany
         |        |        |        |                  /-----Geoffrey Duke Of Brittany
         |        |        |        |                 |         \-----Ermengarde Of Anjou
         |        |        |        |         /-----Alan III Duke Of Brittany
         |        |        |        |        |        |         /-----Richard I The Fearless Duke Of Normandy
         |        |        |        |        |         \-----Hawise Of Normandy
         |        |        |        |        |                  \-----Gunnora
         |        |        |         \-----Hawise Of Brittany
         |        |        |                 |                  /-----Eudes I Count Of Blois
         |        |        |                 |         /-----Eudes II Count Of Blois
         |        |        |                 |        |         \-----Bertha Of Burgandy
         |        |        |                  \-----Bertha Of Blois
         |        |        |                          |         /-----Robert I Count Of Auvergne
         |        |        |                           \-----Ermengarde Of Auvergne
         |        |        |                                    \-----Ermengarde
         |         \-----Hawise Of Brittany
         |                 |                                    /-----Fulk Count Of Perche
         |                 |                           /-----Hugo Of Perch
         |                 |                          |         \-----Melisende
         |                 |                  /-----Geoffrey Ferreol Count Of The Gatinais
         |                 |                 |        |         /-----Aubri Count Of Macon
         |                 |                 |         \-----Beatrix Of Macon
         |                 |                 |                  \-----(Unk)
         |                 |         /-----Fulk IV Rechin Count Of Anjou
         |                 |        |        |                  /-----Geoffrey I Grisgonelle Count Of Anjou
         |                 |        |        |         /-----Fulk III The Black Count Of Anjou
         |                 |        |        |        |         \-----Adele Of Troyes
         |                 |        |         \-----Ermengarde Of Anjou
         |                 |        |                  \-----Hildegarde Of Metz
         |                  \-----Ermengard Of Anjou
         |                          |                           /-----Landry Sire de Baugency
         |                          |                  /-----Lancellin I Sire De Baugency In Orleanais
         |                          |         /-----Lanzelin II Seigneur De Baugency
         |                           \-----Hildegarde De BAUGENCY
         |                                    \-----Alberga
 /-----Eudo Count Of Porhoet
|        |                  /-----Hervey Vicomte Of Leon
|        |         /-----Guiomar III Vicomte Of Leon
|         \-----Eleanor Of Leon
Joan Of Porhoet
 \-----Margaret



Descendants of Joan Of Porhoet
1. Joan Of Porhoet m. Oliver De MONTFORT
m. Oliver De MONTFORT father: Philip De MONTAUBAN