Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 03-27-2022.

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:
Marriage:
Bibliography
  1. Richardson, Douglas, Plantagenet Ancestry: A Study in Colonial and Medieval Families. Baltimore, MD: Genelogical Publishing Co, 2004. Information from this source tagged as [Ref: Richardson PA 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 with Information about marriage to Isabeau FIENNES
names:
[Ref: Richardson PA p155, Richardson RoyalAnc v1p473]
Research Notes:
Seigneur of Dossemer [Ref: Richardson RoyalAnc v1p473]



Pedigree of Guillaume De MORTAGNE
Guillaume De MORTAGNE



Descendants of Guillaume De MORTAGNE
1. Guillaume De MORTAGNE m. Isabeau FIENNES
m. Isabeau FIENNES father: Sir William FIENNES mother: Blanche De BRIENNE, Lady Of Loupeland