Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 12-10-2023.

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 may be downloaded here.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Bibliography
  1. 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: Richardson RoyalAnc v4p540]
Research Notes:



Pedigree of William De St OMER
                            /-----Thomas Of Saint-Omer
                   /-----William De St OMER
          /-----Thomas De St OMER
         |        |                                             /-----Ralph IV De TOENI, Baron Of Flamstead
         |        |                                    /-----Roger III De TOENI, Baron Of Flamstead
         |        |                                   |         \-----Alice Of Northumberland
         |        |                           /-----Ralph V De TOENI, Baron Of Flamstead
         |        |                          |        |         /-----Baldwin III Count Of Hainault
         |        |                          |         \-----Ida (Gertrude) Of Hainault
         |        |                          |                  \-----Yolande Of Guelders
         |        |                  /-----Roger IV De TOENI, Baron Of Flamstead
         |        |                 |        |                  /-----Sir Robert De Beaumont, Earl Of Leicester
         |        |                 |        |         /-----Sir Robert II De Beaumont, Earl Of Leicester
         |        |                 |        |        |         \-----Isabel De Vermandois, Countess Of Leicester
         |        |                 |         \-----Margaret De BEAUMONT
         |        |                 |                 |         /-----Ralph De MONTFORT, Seigneur Of Montfort-Gael
         |        |                 |                  \-----Amicia De Gael
         |        |         /-----Ralph VI De TOENI, Baron Of Flamstead
         |        |        |        |                           /-----Raoul VII Vicount Of Fresnay, Beaumont, And St Suz
         |        |        |        |                  /-----Roscelin De BEAUMONT, Viscount Of Maine
         |        |        |        |                 |         \-----Adenor Of Laval
         |        |        |        |         /-----Richard I De BEAUMONT, Viscount Of Maine
         |        |        |        |        |        |         /-----Henry I Beauclerc King Of England
         |        |        |        |        |         \-----Constance
         |        |        |         \-----Constance De BEAUMONT
         |        |        |                 |         /-----Richard II Seigneur of l'Aigle
         |        |        |                  \-----Lucie De L'AIGLE
         |        |        |                           \-----Beatrice
         |         \-----Margaret De TONY
         |                 |                           /-----Gilbert De LACY
         |                 |                          |         \-----Emma De LACY
         |                 |                  /-----Hugh De LACY, Baron Of Weobley
         |                 |         /-----Walter De LACY, Baron Of Weobley
         |                 |        |        |                  /-----William Fitz BADERON, Baron Of Monmouth
         |                 |        |        |         /-----Baderon De MONMOUTH
         |                 |        |        |        |         \-----Hawise
         |                 |        |         \-----Roheis De MONMOUTH
         |                 |        |                 |         /-----Gilbert FITZ RICHARD, Baron Of Clare
         |                 |        |                  \-----Rohese De CLARE
         |                 |        |                           \-----Adeliza De CLERMONT
         |                  \-----Petronilla De LACY
         |                          |                           /-----Philip De BRAOS, Baron Of Bramber
         |                          |                  /-----William De BRAOS, Baron Of Bramber
         |                          |                 |         \-----Aenor De TOTENEIS
         |                          |         /-----William De BRAOS, Baron Of Bramber
         |                          |        |        |         /-----Miles FITZ WALTER, Earl Of Hereford
         |                          |        |         \-----Bertha Of Hereford
         |                          |        |                  \-----Sibyl De NEUFMARCHE
         |                           \-----Margaret De BRAOISE
         |                                   |                  /-----Reginald De St VALERY, Baron Of Beckley
         |                                   |         /-----Bernard De St VALERY, Baron Of Beckley
         |                                    \-----Matilda De ST VALERIE De HAIA
         |                                             \-----Matilda
 /-----Sir William De St OMER
|         \-----Alice
William De St OMER
 \-----Elizabeth



Descendants of William De St OMER
1. William De St OMER