Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 12-10-2023.

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:
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].*].

Sources for birth and parent Information
date:
minor 20 Apr 1317 [Ref: CP IV p119(g)],
parents:
[Ref: CP IV p119(g), CP IV p119]
Sources for death Information
date:
before 20 Feb 1327/8 [Ref: CP IV p119(g)]
Research Notes:
daughter and heir of Edmund, who was son and heir of John, who was son and heir apparent of Edmund Lord Deincourt. If she had survived her great-grandfather, she was his heir general [Ref: CP IV p119(g)]



Pedigree of Isabel DEINCOURT
                                                                /-----Walter DEINCOURT, Baron Of Blankney
                                                       /-----John DEINCOURT, Baron Of Blankney
                                                      |         \-----Agnes BASSET
                                              /-----Oliver DEINCOURT, Baron Of Blankney
                                             |        |         /-----Ralph MURDAC
                                             |         \-----Alice MURDAC
                                             |                  \-----Beatrice De CHESNEY
                                     /-----Oliver DEINCOURT, Baron Of Blankney
                                    |         \-----Amabel
                            /-----Sir John DEINCOURT, Baron Of Blankney
                           |        |                  /-----Robert De La HAY, Lord Of Hanlac
                           |        |         /-----Richard De La HAY, Baron Of Brattleby
                           |        |        |        |         /-----Picot Of Lincoln, Baron Of Brattlesby
                           |        |        |         \-----Muriel Of Lincoln
                           |        |        |                  \-----Beatrice
                           |         \-----Nichola De La HAY, Lady Of Munden
                           |                 |                  /-----Richard De REVIERS, Seigneur Of Reviers, Vernon,
                           |                 |         /-----William De VERNON, Seigneur Of Vernon
                           |                 |        |         \-----Adelise PEVEREL
                           |                  \-----Matilda De VERNON
                           |                          |         /-----William De TANCARVILLE, Chamberlain
                           |                           \-----Lucy De TANCARVILLE
                           |                                    \-----Maud Of Arques
                   /-----Sir Edmund DEINCOURT, Lord Deincourt
                  |        |                                    /-----Dolfin FITZ UCHTRED, Lord Of Raby
                  |        |                           /-----Maldred FITZ DOLFIN, Lord Of Raby
                  |        |                          |         \-----Alice
                  |        |                  /-----Robert FITZ MALDRED, Lord Of Raby
                  |        |                 |        |         /-----John De STUTEVILLE
                  |        |                 |         \-----Joan De STUTEVILLE
                  |        |                 |                  \-----Agnes
                  |        |         /-----Geoffrey FITZ ROBERT De NEVILL
                  |        |        |        |                  /-----Gilbert De NEVILLE
                  |        |        |        |         /-----Geoffrey De NEVILLE, Governor Of Berwick
                  |        |        |         \-----Isabella De NEVILLE
                  |        |        |                 |         /-----Bertram De BULMER, Lord Brancepath
                  |        |        |                  \-----Emma De BULMER
                  |        |        |                           \-----Emma FOSSARD
                  |         \-----Agnes De NEVILLE
                  |                  \-----Joan
          /-----John DEINCOURT
         |        |                                             /-----William De MOHUN, Earl Of Somerset
         |        |                                    /-----William De MOHUN, Baron Of Dunster
         |        |                                   |         \-----Agnes De GAUNT
         |        |                           /-----William De MOHUN, Baron Of Dunster
         |        |                          |        |         /-----Roger III De TOENI, Baron Of Flamstead
         |        |                          |         \-----Godeheut De TOENI
         |        |                          |                  \-----Ida (Gertrude) Of Hainault
         |        |                  /-----Sir Reynold De MOHUN, Baron Of Dunster
         |        |                 |         \-----Lucy
         |        |         /-----Sir Reynold De MOHUN, Baron Of Dunster
         |        |        |        |                           /-----William De BRIWERE
         |        |        |        |                  /-----Thomas De BRIWERE
         |        |        |        |         /-----Sir William De BRIWERE, Baron Of Horsley
         |        |        |        |        |        |         /-----Geoffrey De ALBEMARLE
         |        |        |        |        |         \-----(Unk) De ALBEMARLE
         |        |        |         \-----Alice De BRIWERE
         |        |        |                 |         /-----Hubert De VAUX, Baron Of Irthington
         |        |        |                  \-----Beatrice De VALLE
         |        |        |                           \-----Grecia
         |         \-----Isabel De MOHUN
         |                 |                  /-----Piers De LUTEGARESHALE
         |                 |         /-----Geoffrey FITZ PIERS, Earl Of Essex
         |                 |        |         \-----Maud
         |                  \-----Hawise FITZ GEOFFREY
         |                          |                           /-----Gilbert FITZ RICHARD, Baron Of Clare
         |                          |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
         |                          |                 |         \-----Adeliza De CLERMONT
         |                          |         /-----Roger De CLARE, Earl Of Hertford
         |                          |        |        |         /-----Ranulph III De MESCHINES, Earl Of Chester
         |                          |        |         \-----Adeliza Le MESCHIN
         |                          |        |                  \-----Lucia Of East Angies
         |                           \-----Aveline De CLARE
         |                                   |                  /-----Hasculf De St JAMES, Baron Of Field Dalling
         |                                   |         /-----James De St HILARY, Baron Of Field Dalling
         |                                   |        |         \-----Matilda
         |                                    \-----Maud St. HILLARY
         |                                             \-----Aveline
 /-----Edmund DEINCOURT
Isabel DEINCOURT
|                                                               /-----Geoffrey De CLINTON
|                                                      /-----Osbert De CLINTON
|                                             /-----Osbert De CLINTON
|                                    /-----Osbert De CLINTON
|                                   |        |                  /-----Hugh De HATTON
|                                   |        |         /-----William De HATTON
|                                   |        |        |         \-----Margaret De MONMOUTH
|                                   |         \-----Margaret HATTON
|                           /-----Thomas De CLINTON
|                          |         \-----Elisant
|                  /-----Thomas De CLINTON
|                 |        |         /-----James De BISEY
|                 |         \-----Mazera De BISEY
|         /-----John De CLINTON, Lord Clinton
|        |        |         /-----Sir Ralph BRACEBRIDGE
|        |         \-----Maud BRACEBRIDGE
 \-----Joan CLINTON
         |                           /-----Hugh De ODINGSELLES
         |                  /-----William De ODINGSELLS
         |                 |        |                           /-----Ralph De LIMESY, Baron Of Cavendish
         |                 |        |                  /-----Alan De LIMESY, Baron Of Cavendish
         |                 |        |                 |         \-----Hadvisa
         |                 |        |         /-----Gerard De LIMESY, Baron Of Cavendish
         |                 |         \-----Basilia De LIMESY
         |                 |                 |         /-----Halneth De BIDUN, Baron Of Lavendon
         |                 |                  \-----Amicia De BIDUN
         |                 |                           \-----Sara
         |         /-----William ODDINGSELLS, Lord Of Maxtock
         |        |         \-----Joan
          \-----Ida ODDINGSELLS
                  |                                             /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                  |                                    /-----Robert FITZ RICHARD, Baron Of Little Dunmow
                  |                                   |         \-----Rohese GIFFARD
                  |                           /-----Walter FITZ ROBERT, Baron Of Little Dunmow
                  |                          |        |         /-----Simon De St. LIZ, Earl Of Huntingdon
                  |                          |         \-----Maud De ST LIZ
                  |                          |                  \-----Maud Of Huntingdon
                  |                  /-----Robert FITZ WALTER, Leader Of MC Barons
                  |                 |        |         /-----Sir Richard De LUCY, Justiciar Of England
                  |                 |        |        |         \-----Avelina
                  |                 |         \-----Maud De LUCY, Lady Of Diss
                  |                 |                 |         /-----William De BOULOGNE
                  |                 |                  \-----Rohese
                  |         /-----Sir Walter FITZ ROBERT, Baron Of Little Dunmow
                  |        |         \-----Rohese
                   \-----Ela FITZ WALTER
                           |                                    /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
                           |                           /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
                           |                          |         \-----Erembourg Of Maine
                           |                  /-----Henry II Curt Mantel PLANTAGENET, King Of England
                           |                 |        |         /-----Henry I Beauclerc King Of England
                           |                 |         \-----Matilda
                           |                 |                  \-----Matilda Of Scotland
                           |         /-----William LONGESPEE, Earl of Salisbury
                           |        |        |                  /-----Roger III De TOENI, Baron Of Flamstead
                           |        |        |         /-----Ralph V De TOENI, Baron Of Flamstead
                           |        |        |        |         \-----Ida (Gertrude) Of Hainault
                           |        |         \-----Ida Countess Of Norfolk
                           |        |                 |         /-----Sir Robert II De Beaumont, Earl Of Leicester
                           |        |                  \-----Margaret De BEAUMONT
                           |        |                           \-----Amicia De Gael
                            \-----Ida LONGSPEE
                                    |                           /-----Walter De SALISBURY, Baron Of Chitterne
                                    |                  /-----Patrick De SALISBURY, Earl Of Salisbury
                                    |                 |         \-----Sibyl De CHAWORTH
                                    |         /-----William FITZ PATRICK, Earl Of Salisbury
                                    |        |        |         /-----William III TALVAS, Count Of Alencon And Ponthieu
                                    |        |         \-----Ela TALVAS
                                    |        |                  \-----Helie/Alice Of Burgandy
                                     \-----Ela Of Salisbury
                                             |                  /-----Robert II Lord Of Vitre
                                             |         /-----Robert III Lord Of Vitre
                                             |        |         \-----Emma De La GUERCHE
                                              \-----Eleanor De VITRE
                                                      |         /-----Alan Of Dinan
                                                       \-----Emma Of Dinan
                                                                \-----Agnorie



Descendants of Isabel DEINCOURT
1. Isabel DEINCOURT