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:
Marriage: Children:
  1. John De PRENDERGAST Birth: 1 Death: 1275
  2. Jeffrey De PRENDERGAST Birth: 2

Bibliography
  1. Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
  2. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v4p[0-9]*].

Sources for birth and parent Information
date:
second son [Ref: Burke Peerage p853],
parents:
[Ref: Burke Peerage p853, Richardson RoyalAnc v4p429]
Sources with Information about marriage to Alianore De BERMINGHAM
child:
[Ref: Burke Peerage p853]
Research Notes:
abt 1230: obtained the lordship of Newcastle, co Tipperary, form Jeffrey de Marisco, in exchange for other lands [Ref: Burke Peerage p853]



Pedigree of William De PRENDERGAST
          /-----Maurice Lord of Prendergast
 /-----Philip De PRENDERGAST
William De PRENDERGAST
|         /-----Robert De QUENCI, Constable of Leinster
 \-----Maude De QUENCI
         |                                                      /-----Godfrey Count Of Brionne
         |                                             /-----Gilbert Count Of Brionne
         |                                    /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
         |                           /-----Gilbert FITZ RICHARD, Baron Of Clare
         |                          |        |                  /-----Osbern De Bolbec, Seigneur Of Longueville
         |                          |        |         /-----Walter Giffard Lord Of Longueville
         |                          |        |        |         \-----Wevie
         |                          |         \-----Rohese GIFFARD
         |                          |                 |         /-----Gerard De FLEITELL
         |                          |                  \-----Ermengarde FLATEL
         |                  /-----Gilbert De CLARE, Earl Of Pembroke
         |                 |        |                           /-----Hugh Butler Of France
         |                 |        |                  /-----Renaud Count Of Clermont
         |                 |        |         /-----Hugh Count Of Clermont
         |                 |        |        |         \-----Ermengardis
         |                 |         \-----Adeliza De CLERMONT
         |                 |                 |                  /-----Hildouin II De Rameru
         |                 |                 |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
         |                 |                 |        |         \-----Anonima
         |                 |                  \-----Margaret De Roucy
         |                 |                          |         /-----Ebles I Count Of Rheims And Roucy
         |                 |                           \-----Adele De Roucy
         |                 |                                    \-----Beatrix Of Hainault
         |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
         |        |        |                                    /-----Thorold Seigeur Of Pont-Audemer
         |        |        |                           /-----Humphrey De Vieilles
         |        |        |                          |         \-----Aveline
         |        |        |                  /-----Roger De Beaumont
         |        |        |                 |         \-----Aubreye De La Haie
         |        |        |         /-----Sir Robert De Beaumont, Earl Of Leicester
         |        |        |        |        |                  /-----Hugo I Count Of Meulen
         |        |        |        |        |         /-----Waleran Count Of Meulan
         |        |        |        |        |        |         \-----Oda Of Valois
         |        |        |        |         \-----Adelise Of Meulan
         |        |        |        |                  \-----Ode
         |        |         \-----Elizabeth De BEAUMONT
         |        |                 |                           /-----Robert II The Pious King Of France
         |        |                 |                  /-----Henry I King Of France
         |        |                 |                 |         \-----Constance Of Provence
         |        |                 |         /-----Hugh Magnus Duke Of France
         |        |                 |        |        |         /-----Jaroslav I Grand Prince Of Kiev
         |        |                 |        |         \-----Anne Of Kiev
         |        |                 |        |                  \-----Ingegard
         |        |                  \-----Isabel De Vermandois, Countess Of Leicester
         |        |                          |                  /-----Eudes Count Of Vermandois
         |        |                          |         /-----Herbert IV Count Of Vermandois
         |        |                          |        |         \-----Parvie
         |        |                           \-----Adelaide De Vermandois, Countess Of Vermandois
         |        |                                   |         /-----Raoul III The Great Count Of Valois And Vexin
         |        |                                    \-----Adela De Valois
         |        |                                             \-----Adela
          \-----(Unk dau) De CLARE



Descendants of William De PRENDERGAST
1. William De PRENDERGAST m. Alianore De BERMINGHAM
m. Alianore De BERMINGHAM

2nd generation

3. Jeffrey De PRENDERGAST m.

3rd generation

4. Sir Philip De PRENDERGAST m.