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:
Bibliography
  1. 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].*].
  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 v4p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: CP X p780, Richardson RoyalAnc v4p481]
Research Notes:



Pedigree of William Of Brittany
                                                       /-----Riroreth Count Of Nantes
                                              /-----Adam I The Great Count Of Nantes And Vannes, Duke Of Brit
                                     /-----Paskurtan Count Of Rennes
                                    |         \-----Oreguen
                            /-----Judhael Count Of Rennes
                           |        |                  /-----Gurivant Count Of Rennes
                           |        |         /-----Berenger Count Of Rennes
                           |        |        |        |         /-----Erispoe Duke Of Brittany
                           |        |        |         \-----(Unk Dau) Heiress Of Brittany
                           |         \-----(Unk Dau) Heiress Of Rennes
                   /-----Conan I Duke Of Brittany
                  |         \-----Gerberge
          /-----Geoffrey Duke Of Brittany
         |        |                                             /-----Tertellus Senmarchal Of The Gatinais
         |        |                                    /-----Ingelger Count Of Anjou
         |        |                                   |         \-----Petronel
         |        |                           /-----Fulk Le Roux Count Of Anjou
         |        |                          |        |         /-----Geoffrey Count Of The Gatinais
         |        |                          |         \-----Adela Of The Gatinais
         |        |                          |                  \-----(Unk)
         |        |                  /-----Fulk II The Good Count Of Anjou
         |        |                 |        |                  /-----Adalard Seigneur De Loches, Lahaye, Villentrois
         |        |                 |        |         /-----Werner Seigneur De Locher Villandry And La Stai
         |        |                 |         \-----Roscilla
         |        |                 |                  \-----Forcanda
         |        |         /-----Geoffrey I Grisgonelle Count Of Anjou
         |        |        |        |                           /-----Gausfred Count Of Maine
         |        |        |        |                  /-----Gausfred
         |        |        |        |                 |         \-----(Unk Dau) Of Orleans
         |        |        |        |         /-----Gausfred Count Of Nevers
         |        |        |         \-----Gerberga Of Nevers
         |        |        |                 |         /-----Hector Noble Of Arverne
         |        |        |                  \-----Aba
         |        |        |                          |         /-----Bernard Plantevalus Count Of Autun, Marquis Of Toulouse
         |        |        |                           \-----Aba Abbess Of Sauxillanges
         |        |        |                                    \-----Ermengard
         |         \-----Ermengarde Of Anjou
         |                 |                                    /-----Pepin Count Of Senlis, Peronne, & St. Quentin
         |                 |                           /-----Herbert I Count Of Vermandois
         |                 |                          |         \-----(Unk Dau) Of Vermandois
         |                 |                  /-----Herbert II Count Of Vermandois
         |                 |                 |        |         /-----Guerra I Count Of Morvois
         |                 |                 |         \-----Beatrice Of Morvois
         |                 |                 |                  \-----Eve Of Roussillon
         |                 |         /-----Robert Count Of Troyes
         |                 |        |        |                  /-----Rupert IV The Strong Count Of Tours
         |                 |        |        |         /-----Robert I King Of France
         |                 |        |        |        |         \-----Aelis Of Tours And Alsace
         |                 |        |         \-----Hildebrante/Liegarde/Adela
         |                 |        |                  \-----Aelis
         |                  \-----Adele Of Troyes
         |                          |                           /-----Thierry II Count In The Chamois
         |                          |                  /-----Manasses I Count Of Vergy, Duxin, And Chalons
         |                          |                 |         \-----(Unk Dau)
         |                          |         /-----Giselbert Duke Of Burgandy
         |                          |        |        |         /-----Boso Of Vienne, King Of Provence
         |                          |        |         \-----Ermengarde
         |                           \-----Adelaide Of Burgundy
         |                                    \-----Ermengarde Of Burgandy
 /-----Eudes I Count Of Brittany
|        |                                    /-----Ketil
|        |                           /-----Hrolfr (Rollo) Duke Of Normandy
|        |                  /-----William Longspee Duke Of Normandy
|        |                 |        |         /-----Berenger Count Of Bayeux
|        |                 |         \-----Poppa
|        |                 |                 |         /-----Gurivant Count Of Rennes
|        |                 |                  \-----(Unk Dau)
|        |                 |                          |         /-----Erispoe Duke Of Brittany
|        |                 |                           \-----(Unk Dau) Heiress Of Brittany
|        |         /-----Richard I The Fearless Duke Of Normandy
|        |        |         \-----Espriota
|         \-----Hawise Of Normandy
|                 |         /-----(Unk) Forquelar Of Cirques
|                  \-----Gunnora
William Of Brittany
|                           /-----Budic Count Of Cornuaille
|                  /-----Benoit Count Of Cornuaille
|         /-----Alain Cagnairt Count Of Cornuaille
|        |         \-----Guinodeon
 \-----Agnes Of Cornuaille
         |                                    /-----Matuedoi Count Of Poher
         |                           /-----Alain II Barbe Torte Count Of Nantes
         |                          |        |                  /-----Riroreth Count Of Nantes
         |                          |        |         /-----Adam I The Great Count Of Nantes And Vannes, Duke Of Brit
         |                          |         \-----(Unk Dau)
         |                          |                  \-----Oreguen
         |                  /-----Hoel Count Of Nantes
         |         /-----Judicael Count Of Nantes
          \-----Judith Of Nantes
                   \-----Melisende



Descendants of William Of Brittany
1. William Of Brittany