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:
Bibliography
  1. Keats-Rohan, K.S.B., Domesday Descendants, A Prosopography of Persons Occurring in English Documents 1066-1166. Vol II: Pipe Rolls to Cartae Baronum. Bury St Edmunds, Suffolk: Boydell Press, 2002. NYPL ARF 03-4178 vol 2. Corrections at http://users.ox.ac.uk/~prosop/domesday-descendants-corrigenda.pdf Information from this source tagged as [Ref: Keats-Rohan DD p[0-9]*].

Sources for birth and parent Information
date:
first son [Ref: Keats-Rohan DD p266],
parents:
[Ref: Keats-Rohan DD p266],
father:
[Ref: Keats-Rohan DD p265]
Research Notes:
monk [Ref: Keats-Rohan DD p266]



Pedigree of Oliver DEINCOURT
                   /-----Walter De AINCORT, Lord Of Blankney
          /-----Ralph DEINCOURT, Baron Of Blankney
         |        |                                             /-----Judhael Count Of Rennes
         |        |                                    /-----Conan I Duke Of Brittany
         |        |                                   |         \-----Gerberge
         |        |                           /-----Geoffrey Duke Of Brittany
         |        |                          |        |         /-----Geoffrey I Grisgonelle Count Of Anjou
         |        |                          |         \-----Ermengarde Of Anjou
         |        |                          |                  \-----Adele Of Troyes
         |        |                  /-----Eudes I Count Of Brittany
         |        |                 |        |                  /-----William Longspee Duke Of Normandy
         |        |                 |        |         /-----Richard I The Fearless Duke Of Normandy
         |        |                 |        |        |         \-----Espriota
         |        |                 |         \-----Hawise Of Normandy
         |        |                 |                 |         /-----(Unk) Forquelar Of Cirques
         |        |                 |                  \-----Gunnora
         |        |         /-----Alan The Red Count Of Brittany
         |        |        |        |                           /-----Budic Count Of Cornuaille
         |        |        |        |                  /-----Benoit Count Of Cornuaille
         |        |        |        |         /-----Alain Cagnairt Count Of Cornuaille
         |        |        |        |        |         \-----Guinodeon
         |        |        |         \-----Agnes Of Cornuaille
         |        |        |                 |                  /-----Hoel Count Of Nantes
         |        |        |                 |         /-----Judicael Count Of Nantes
         |        |        |                  \-----Judith Of Nantes
         |        |        |                           \-----Melisende
         |         \-----Matilda
         |                 |                                    /-----Aethelmaer Cild The Great Ealdorman In Devonshire
         |                 |                           /-----Wulfnoth Cild Thegn In Sussex
         |                 |                          |         \-----Aethelthrith
         |                 |                  /-----Godwin Ealdorman Of Wessex
         |                 |         /-----Harold II Goodwinson, King Of England
         |                 |        |        |                  /-----Styr-Bjorn
         |                 |        |        |         /-----Jarl Thorkill Sprakalaeg
         |                 |        |        |        |         \-----Thyra
         |                 |        |         \-----Githa
         |                  \-----Gunhild
         |                           \-----Ealdgith Swansneck
 /-----Walter DEINCOURT, Baron Of Blankney
|         \-----Basilie
Oliver DEINCOURT
 \-----Agnes BASSET



Descendants of Oliver DEINCOURT
1. Oliver DEINCOURT