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:
Children:
  1. Isabel FITZ WILLIAM

Bibliography
  1. Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States: who were themselves notable or left descendants notable in American history, with a 2008 Addendum, Coda, and Final Additions. Baltimore, MD: Gen Pub Co, 2008. NYPL APK 08-4216. Information from this source tagged as [Ref: Roberts RD600 p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: Roberts RD600 p534]
Research Notes:
son/daughter unknown, probably daughter [Ref: Roberts RD600 p534]



Pedigree of (Unk) FITZ WILLIAM
 /-----Ralph FITZ WILLIAM
(Unk) FITZ WILLIAM
|                                    /-----(Unk) De MOHUN
|                           /-----Sir William De MOHUN, Baron Of Dunster
|                  /-----William De MOHUN, Earl Of Somerset
|                 |         \-----Adeliz
|         /-----William De MOHUN, Baron Of Dunster
|        |        |                                    /-----Ralph De GANT
|        |        |                           /-----Ralph De GANT, Lord Of Aalst
|        |        |                  /-----Gilbert De GANT, Baron Of Folkingham
|        |        |                 |        |                  /-----Siegfried Count Of Luxemburg
|        |        |                 |        |         /-----Frederick I Count Of Luxemburg
|        |        |                 |        |        |         \-----Hedwig Of Nordgau
|        |        |                 |         \-----Gisele Of Luxembourg
|        |        |                 |                 |         /-----Herbert I Count In The Kinziggau
|        |        |                 |                  \-----Ermentrude Of Kinziggau
|        |        |                 |                           \-----Irmentrude
|        |        |         /-----Walter De GAUNT, Baron Of Folkingham
|        |        |        |        |                           /-----Thursten De Bastenburgh
|        |        |        |        |                  /-----Hugh With The Beard De Montfort
|        |        |        |        |         /-----Hugh De Montfort, Baron Of Haughley
|        |        |        |         \-----Alice De MONTFORT
|        |        |        |                 |         /-----Richard De Beaufour
|        |        |        |                  \-----Alice Of Beaufour
|        |        |        |                          |         /-----Ralph Count Of Ivry
|        |        |        |                           \-----(Dau)
|        |        |        |                                    \-----Albereda
|        |         \-----Agnes De GAUNT
|        |                 |                                    /-----Conan I Duke Of Brittany
|        |                 |                           /-----Geoffrey Duke Of Brittany
|        |                 |                          |         \-----Ermengarde Of Anjou
|        |                 |                  /-----Eudes I Count Of Brittany
|        |                 |                 |        |         /-----Richard I The Fearless Duke Of Normandy
|        |                 |                 |         \-----Hawise Of Normandy
|        |                 |                 |                  \-----Gunnora
|        |                 |         /-----Stephen Count Of Brittany
|        |                 |        |        |                  /-----Benoit Count Of Cornuaille
|        |                 |        |        |         /-----Alain Cagnairt Count Of Cornuaille
|        |                 |        |        |        |         \-----Guinodeon
|        |                 |        |         \-----Agnes Of Cornuaille
|        |                 |        |                 |         /-----Judicael Count Of Nantes
|        |                 |        |                  \-----Judith Of Nantes
|        |                 |        |                           \-----Melisende
|        |                  \-----Maud Of Brittany
|        |                           \-----Hawise Of Guincamp
 \-----Yolande De MOHUN
         |                                                      /-----Ralph I De TOENI
         |                                             /-----Ralph II De TOENI, Seigneur Of Tonsi And Conches
         |                                    /-----Roger I De TOENI
         |                           /-----Ralph III De TOENI, Baron Of Flamstead
         |                          |         \-----Godehildie
         |                  /-----Ralph IV De TOENI, Baron Of Flamstead
         |                 |        |                           /-----William Count Of Hainault
         |                 |        |                  /-----Amauri III De MONTFORT
         |                 |        |                 |         \-----(Unk) Heiress Of Montfort And Epernon
         |                 |        |         /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
         |                 |        |        |        |         /-----Guilaume De Gommetz
         |                 |        |        |         \-----Bertrade De GOMMETZ
         |                 |        |        |                  \-----Alberade
         |                 |         \-----Isabel De MONTFORT
         |                 |                 |                  /-----Sir Isembard Lord Of Broyes And Beaufort
         |                 |                 |         /-----Hugues I Bardoul Lord Of Broyes And Beaufort
         |                 |                  \-----Isabel Of Broyes
         |                 |                           \-----Alvidis
         |         /-----Roger III De TOENI, Baron Of Flamstead
         |        |        |                                    /-----Ulsius
         |        |        |                           /-----Beorn
         |        |        |                  /-----Sigurd Digera Earl Of Northumbria
         |        |        |         /-----Waltheof II Earl Of Huntingdon
         |        |        |        |        |                  /-----Uchtred Earl Of Northumberland
         |        |        |        |        |         /-----Ealdred Of Bernicia
         |        |        |        |        |        |         \-----Ecfrida
         |        |        |        |         \-----Aelflaed
         |        |         \-----Alice Of Northumberland
         |        |                 |                           /-----Baldwin Count Of Boulogne
         |        |                 |                  /-----Eustace I Count Of Boulogne
         |        |                 |                 |         \-----Adela Of Holland
         |        |                 |         /-----Lambert Of Boulogne, Count Of Lens
         |        |                 |        |        |         /-----Lambert I The Bearded Count Of Louvain
         |        |                 |        |         \-----Maud Of Louvain
         |        |                 |        |                  \-----Gerberga Of Lorraine
         |        |                  \-----Judith Of Lens
         |        |                          |                  /-----Richard II The Good Duke Of Normandy
         |        |                          |         /-----Robert I The Devil Duke Of Normandy
         |        |                          |        |         \-----Judith Of Brittany
         |        |                           \-----Adelaide Of Normandy
         |        |                                   |         /-----Fulbert Of Falaise
         |        |                                    \-----Herleve Of Falaise
         |        |                                             \-----Duxia
          \-----Godeheut De TOENI
                  |                                             /-----Baldwin IV The Bearded Count Of Flanders
                  |                                    /-----Baldwin V Count Of Flanders
                  |                                   |         \-----Ogive Of Luxembourg
                  |                           /-----Baldwin VI De MONS, Count Of Flanders
                  |                          |        |         /-----Robert II The Pious King Of France
                  |                          |         \-----Adelaide Of France
                  |                          |                  \-----Constance Of Provence
                  |                  /-----Baldwin II Count Of Hainault
                  |                 |        |                  /-----Hugh IV Of Egisheim, Count Of The Lower Alsace
                  |                 |        |         /-----Gerhard II Count Of Egisheim
                  |                 |        |        |         \-----Heilwig Of Dagsburg
                  |                 |         \-----Richilde Countess Of Hainault
                  |                 |                  \-----Berta
                  |         /-----Baldwin III Count Of Hainault
                  |        |        |                           /-----Lambert I The Bearded Count Of Louvain
                  |        |        |                  /-----Lambert II The Belted Count Of Louvain
                  |        |        |                 |         \-----Gerberga Of Lorraine
                  |        |        |         /-----Henry II Of Brabant, Count Of Lorraine
                  |        |        |        |        |         /-----Gothelo I Duke Of Upper And Lower Lorraine
                  |        |        |        |         \-----Oda Of Lorraine
                  |        |        |        |                  \-----Ita
                  |        |         \-----Ida Of Louvain
                  |        |                 |                  /-----Frethehard Count In Teisterbant
                  |        |                 |         /-----Eberhard Of Betuew And Teisterbant
                  |        |                  \-----Adelaide Of Betuew
                   \-----Ida (Gertrude) Of Hainault
                           |                                    /-----(Unk)
                           |                           /-----Gerard Flameus Count Of Teirterbant
                           |                  /-----Dietrich Flameus Count In The Velux
                           |         /-----Gerald I Count Of Guelders And Wassenberg
                            \-----Yolande Of Guelders



Descendants of (Unk) FITZ WILLIAM
1. (Unk) FITZ WILLIAM m.

2nd generation

2. Isabel FITZ WILLIAM m1. Hugh PEVEREL m2. Sir Nicholas Fitz MARTIN, Baron Of Blagdon
m. Hugh PEVEREL
m. Sir Nicholas Fitz MARTIN, Baron Of Blagdon father: William Fitz MARTIN, Baron Of Blagdon mother: Avice De TORITON