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:
Marriage: Children:
  1. William Crespin Death: After 1135

Bibliography
  1. The Henry Project: The Ancestors of King Henry II of England, An eperiment in a cooperative online database for scholarly medieval genealogy. Contributors and Editors: Stewart Baldwin, Todd Farmerie, Peter Stewart. Available at https://fasg.org/projects/henryproject/ Information from this source tagged as [Ref: HenryII .*].
  2. Mathieu, Jean-Noel, Recherches sur les Premiers Comtes de Dammartin, in Paris et Ile-de-France: memoires Federation des societes historiques et archeologiques de Paris et de I'lle-de-France. Vol 47 (1996). NYPL L-10 2324 (OFFSITE, request in advance). Available (for purchase) at http://cths.fr/ed/edition.phg?id=1632. Information from this source tagged as [Ref: Mathieu Dammartin p[0-9]*].

Sources for birth and parent Information
father:
possibly Simon de MONTFORT (#10947) [Ref: HenryII simon000 5/29/2012],
mother:
[Ref: Mathieu Dammartin p60]
Sources with Information about marriage to William Crespin
names:
[Ref: Mathieu Dammartin p60],
child:
[Ref: HenryII simon000 5/29/2012]
Research Notes:
possibly daughter of Simon de MONTFORT by his second wife [Ref: HenryII simon000 5/29/2012]



Pedigree of Agnes
Agnes
|                           /-----Helpuin Count Of Arcis-Sur-Aube
|                  /-----Hildouin I Seigneur De Rameru
|                 |         \-----Hersinde Dame De Rameru
|         /-----Manasser Count Of Dammartin
 \-----Eustachie
          \-----Constance



Descendants of Agnes
1. Agnes m. William Crespin
m. William Crespin father: William Crespin, Vicount Of The Vexin mother: Eva De MONTFORT

2nd generation

2. William Crespin m.