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
parents:
[Ref: Keats-Rohan DD p265]
Research Notes:



Pedigree of Roger DEINCOURT
          /-----Walter De AINCORT, Lord Of Blankney
 /-----Ralph DEINCOURT, Baron Of Blankney
|        |                                                      /-----Paskurtan Count Of Rennes
|        |                                             /-----Judhael Count Of Rennes
|        |                                            |         \-----(Unk Dau) Heiress Of Rennes
|        |                                    /-----Conan I Duke Of Brittany
|        |                                   |         \-----Gerberge
|        |                           /-----Geoffrey Duke Of Brittany
|        |                          |        |                  /-----Fulk II The Good Count Of Anjou
|        |                          |        |         /-----Geoffrey I Grisgonelle Count Of Anjou
|        |                          |        |        |         \-----Gerberga Of Nevers
|        |                          |         \-----Ermengarde Of Anjou
|        |                          |                 |         /-----Robert Count Of Troyes
|        |                          |                  \-----Adele Of Troyes
|        |                          |                           \-----Adelaide Of Burgundy
|        |                  /-----Eudes I Count Of Brittany
|        |                 |        |                           /-----Hrolfr (Rollo) Duke Of Normandy
|        |                 |        |                  /-----William Longspee Duke Of Normandy
|        |                 |        |                 |         \-----Poppa
|        |                 |        |         /-----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
|        |        |                 |                           /-----Alain II Barbe Torte Count Of Nantes
|        |        |                 |                  /-----Hoel Count Of Nantes
|        |        |                 |         /-----Judicael Count Of Nantes
|        |        |                  \-----Judith Of Nantes
|        |        |                           \-----Melisende
|         \-----Matilda
|                 |                                             /-----Aethelwerd The Historian Ealdorman In Wessex
|                 |                                    /-----Aethelmaer Cild The Great Ealdorman In Devonshire
|                 |                                   |         \-----Aethelflaed
|                 |                           /-----Wulfnoth Cild Thegn In Sussex
|                 |                          |         \-----Aethelthrith
|                 |                  /-----Godwin Ealdorman Of Wessex
|                 |         /-----Harold II Goodwinson, King Of England
|                 |        |        |                           /-----Olaf King Of Sweden
|                 |        |        |                  /-----Styr-Bjorn
|                 |        |        |                 |         \-----Ingelberg
|                 |        |        |         /-----Jarl Thorkill Sprakalaeg
|                 |        |        |        |        |         /-----Harald Blaatand King Of Denmark
|                 |        |        |        |         \-----Thyra
|                 |        |        |        |                  \-----Gunthilda
|                 |        |         \-----Githa
|                  \-----Gunhild
|                           \-----Ealdgith Swansneck
Roger DEINCOURT
 \-----Basilie



Descendants of Roger DEINCOURT
1. Roger DEINCOURT