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. Oliver DEINCOURT, Baron Of Blankney Birth: Abt 1196 Death: Before 19 Sep 1246

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 04 Dacre-Dysart. London: St Catherine Press, 1916. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 4 also available at http://archive.org/completepeerageo04byucoka Information from this source tagged as [Ref: CP IV [Ap][p0-9].*].
  2. Allen, Kay, Deincourt-D'Eyncourt. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 2/24/1999. Subject: Deincourt-D'Eyncourt. Available at https://groups.google.com/g/soc.genealogy.medieval/c/hVtkMuVf5zo/m/9LopcalsgH4J. Author address: allenk at pacbell dot net. Information from this source tagged as [Ref: Kay Allen SGM 2/24/1999].
  3. 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]*].
  4. Sanders, I. J., English Baronies, A Study of Their Origin and Descent 1086-1327. Oxford: Clarendon Press, 1960. Information from this source tagged as [Ref: Sanders Baronies p[0-9]*].

Sources for birth and parent Information
date:
abt 1162 [Ref: Kay Allen SGM 2/24/1999]
age 24 in 1185 [Ref: CP IV p118(c) (with corr in XIV p241)],
parents:
[Ref: CP IV p118(c), Kay Allen SGM 2/24/1999, Keats-Rohan DD p265],
father:
[Ref: Sanders Baronies p15]
Sources for death Information
date:
1201 [Ref: Kay Allen SGM 2/24/1999, Sanders Baronies p15]
in or before 1201 [Ref: CP IV p118(c)]
Sources with Information about marriage to Amabel
child:
[Ref: CP IV p118(c), Kay Allen SGM 2/24/1999]
Research Notes:
inherited Barony of Blankney from father [Ref: Sanders Baronies p15]



Pedigree of Oliver DEINCOURT, Baron Of Blankney
                            /-----Walter De AINCORT, Lord Of Blankney
                   /-----Ralph DEINCOURT, Baron Of Blankney
                  |        |                                    /-----Conan I Duke Of Brittany
                  |        |                           /-----Geoffrey Duke Of Brittany
                  |        |                          |         \-----Ermengarde Of Anjou
                  |        |                  /-----Eudes I Count Of Brittany
                  |        |                 |        |         /-----Richard I The Fearless Duke Of Normandy
                  |        |                 |         \-----Hawise Of Normandy
                  |        |                 |                  \-----Gunnora
                  |        |         /-----Alan The Red Count Of Brittany
                  |        |        |        |                  /-----Benoit Count Of Cornuaille
                  |        |        |        |         /-----Alain Cagnairt Count Of Cornuaille
                  |        |        |        |        |         \-----Guinodeon
                  |        |        |         \-----Agnes Of Cornuaille
                  |        |        |                 |         /-----Judicael Count Of Nantes
                  |        |        |                  \-----Judith Of Nantes
                  |        |        |                           \-----Melisende
                  |         \-----Matilda
                  |                 |                           /-----Wulfnoth Cild Thegn In Sussex
                  |                 |                  /-----Godwin Ealdorman Of Wessex
                  |                 |         /-----Harold II Goodwinson, King Of England
                  |                 |        |        |         /-----Jarl Thorkill Sprakalaeg
                  |                 |        |         \-----Githa
                  |                  \-----Gunhild
                  |                           \-----Ealdgith Swansneck
          /-----Walter DEINCOURT, Baron Of Blankney
         |         \-----Basilie
 /-----John DEINCOURT, Baron Of Blankney
|         \-----Agnes BASSET
Oliver DEINCOURT, Baron Of Blankney
|                                    /-----Meurdrac
|                           /-----Robert FITZ MEURDRAC
|                  /-----Ralph MURDAC
|         /-----Ralph MURDAC
 \-----Alice MURDAC
         |                  /-----Ralph De CHESNEY
         |         /-----Roger De CHESNEY
          \-----Beatrice De CHESNEY
                  |         /-----Ralph De LANGTOT
                   \-----Alice De LANGTOT



Descendants of Oliver DEINCOURT, Baron Of Blankney
1. Oliver DEINCOURT, Baron Of Blankney m. Amabel
m. Amabel

2nd generation

2. Oliver DEINCOURT, Baron Of Blankney m. Nichola De La HAY, Lady Of Munden
m. Nichola De La HAY, Lady Of Munden father: Richard De La HAY, Baron Of Brattleby mother: Matilda De VERNON

3rd generation

3. Sir John DEINCOURT, Baron Of Blankney m. Agnes De NEVILLE
m. Agnes De NEVILLE father: Geoffrey FITZ ROBERT De NEVILL mother: Joan

4th generation

4. Sir Edmund DEINCOURT, Lord Deincourt m. Isabel De MOHUN
m. Isabel De MOHUN father: Sir Reynold De MOHUN, Baron Of Dunster mother: Hawise FITZ GEOFFREY

5th generation

5. Isabel DEINCOURT m. Sir William FITZWILLIAM, Lord Of Emley And Sprotbrou
m. Sir William FITZWILLIAM, Lord Of Emley And Sprotbrou father: Sir William FITZ THOMAS mother: Agnes GREY
6. John DEINCOURT m.
7. Margaret DEINCOURT m. Sir Robert WILLOUGHBY, Lord Willoughby
m. Sir Robert WILLOUGHBY, Lord Willoughby father: Sir William De WILLOUGHBY mother: Alice BEKE
8. Joan DEINCOURT m. Sir Philip De DRAYCOTT
m. Sir Philip De DRAYCOTT father: Sir Richard De DRAYCOTT mother: Lettice De BEK