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. Thomas De St OMER Death: Before 1319

Marriage:
Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 12-1, Skelmersdale-Towton. London: St Catherine Press, 1953. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP XII/1 [Ap][p0-9].*].
  2. Craig, F N, Maternal Ancestry of Governor Thomas Dudley - Hoo, St Omer, Malmains, St Leger, FitzWarin and Andevill, NEHGR v140 (Jul 1986) pp219-229. Available at http://americanancestors.org/databases/new-england-historical-and-genealogical-register/image Information from this source tagged as [Ref: Craig Dudley-Hoo p[0-9]*].
  3. 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]*].
  4. 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]*].
  5. 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 v5p[0-9]*].

Sources for birth and parent Information
father:
[Ref: Craig Dudley-Hoo p219, Richardson RoyalAnc v4p539]
Sources for death Information
date:
after 1271 [Ref: Craig Dudley-Hoo p220]
living 1279 [Ref: Richardson RoyalAnc v5p173]
nach 19.X 1265 [Ref: ES III.4 #706, ES III.4 #709]
Sources with Information about marriage to Margaret De TONY
names:
[Ref: Richardson RoyalAnc v5p174],
child:
[Ref: Craig Dudley-Hoo p220, Richardson RoyalAnc v4p539]
Sources with Inaccurate marriage information
date:
first marriage of Thomas [Ref: Craig Dudley-Hoo p220],
names:
Thomas De St OMER (#209007) & Margaret De TONY (#209009) [Ref: Craig Dudley-Hoo p220]
Sources with Information about marriage to Petronilla De LACY
date:
before 15 Oct 1256 [Ref: CP XII/1 p771, Craig Dudley-Hoo p220, Richardson RoyalAnc v5p173]
second marriage of Petronilla [Ref: Craig Dudley-Hoo p228]
vor 15.X 1256 [Ref: ES III.4 #706, ES III.4 #709],
names:
[Ref: CP XII/1 p773(b)]
Research Notes:
of Brundale and Mulbarton, Norfolk [Ref: Richardson RoyalAnc v5p173]

heir-apparent of his father [Ref: Richardson RoyalAnc v4p539]

1254 to 1271: held various royal commissions [Ref: Craig Dudley-Hoo p219]

itinerant justice for Cambridgeshire [Ref: Richardson RoyalAnc v5p173]



Pedigree of William De St OMER
 /-----Thomas Of Saint-Omer
William De St OMER



Descendants of William De St OMER
1. William De St OMER m1. Margaret De TONY m2. Petronilla De LACY
m. Margaret De TONY father: Ralph VI De TOENI, Baron Of Flamstead mother: Petronilla De LACY
m. Petronilla De LACY father: Walter De LACY, Baron Of Weobley mother: Margaret De BRAOISE

2nd generation

2. Thomas De St OMER m1. m2. Alice
m. Alice

3rd generation

3. Sir William De St OMER m. Elizabeth
m. Elizabeth

4th generation

4. Sir Thomas De St OMER m1. Pernel MALMAYNS m2. Margaret m3. Beatrice
m. Pernel MALMAYNS father: Sir Nicholas MALMAYNS mother: Alice
m. Margaret
m. Beatrice

5th generation

7. Alice De St OMER m. Sir William De HOO
m. Sir William De HOO father: Sir Thomas De HOO mother: Isabel De St LEGER