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:
Bibliography
  1. 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
father:
illeg dau by unknown mistress [Ref: Richardson RoyalAnc v4p45, Richardson RoyalAnc v4p588]
Sources with Information about marriage to Rhys Ap MAELGWN VYCHAN
names:
[Ref: Richardson RoyalAnc v4p45, Richardson RoyalAnc v4p588]
Research Notes:



Pedigree of Isabel
                                     /-----Robert Marshal
                            /-----Gilbert GIFFARD, Marshal
                   /-----John Fitz GILBERT The Marshal
                  |        |         /-----Geoffrey De VENOIZ
                  |         \-----(Unk dau) De VENOIZ
          /-----Sir William MARSHALL, Protector, Earl Of Pembroke
         |        |                           /-----Girold DAPIFER
         |        |                  /-----Edward De SARESBERIE, Baron Of Trowbridge
         |        |                 |         \-----Wulfwynn Of Cresswell
         |        |         /-----Walter De SALISBURY, Baron Of Chitterne
         |         \-----Sibyl De SALISBURY
         |                 |                  /-----Hugh
         |                 |         /-----Patric De CHAWORTH, Baron Of Kempsford
         |                  \-----Sibyl De CHAWORTH
         |                          |                  /-----(Unk) De HESDIN
         |                          |         /-----Ernulph De HESDIN, Baron Of Keevil
         |                           \-----Matilda De HESDIN
         |                                    \-----Emmeline
 /-----Sir Gilbert MARSHALL, Earl Of Pembroke
|        |                                                      /-----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
|         \-----Isabel De CLARE, Countess Of Pembroke
|                 |                                             /-----Donnchad Mael Na MBo Ui Cheinnselaig King Of Laigin & Leinste
|                 |                                    /-----Diarmait MacMAEL Nam BO, King Of Hy Kinsale
|                 |                                   |         \-----Aife
|                 |                           /-----Murchad Mac DAIRMAIT, King Of Laigin And Leinste
|                 |                          |        |         /-----Donnchad King Of Munster
|                 |                          |         \-----Darbforgaill
|                 |                  /-----Donnchad Mac MURCHAD, King Of Dublin, Laigin, Lei
|                 |                 |        |                  /-----Brecc
|                 |                 |        |         /-----Muirchertach MacBRICC, King Of Dessi
|                 |                 |         \-----Sadb
|                 |         /-----Dairmait Mac MURCHAD, King Of Leinster
|                 |        |        |         /-----Gilla Michil Ua Braenain
|                 |        |         \-----Orlaith
|                 |        |                 |         /-----Caernachan Hui Garbita, King Of Ui Feilmeda
|                 |        |                  \-----Iuchdelb
|                  \-----Aoife Macmurchada Of Leinster
|                          |                                    /-----Gillacaemghin Ua TUATHAIL
|                          |                           /-----Doncuan Ua TUATHAIL
|                          |                  /-----Gillacomghall Ua TUATHAIL
|                          |                 |        |         /-----Mael Morda Ua Domnaill
|                          |                 |         \-----Sadb Ingen Mael Morda Ua Domnaill
|                          |         /-----Muirchertach Ua TUATHAIL, King Of Ui Muiredaig
|                           \-----Mor Ua TUATHAIL
|                                   |                           /-----Faelan Ua MORDA, King Of Loigsi
|                                   |                  /-----Amargein Ua MORDA, King Of Loigsi
|                                   |                 |         \-----Maelind
|                                   |         /-----Loigsech Ua MORDA, King Of Leix
|                                   |        |         \-----Gormlaith Ingen Mac Carrach Calma
|                                    \-----Cacht Of Leix
|                                            |                  /-----Dunlang Ua CHAELLUIDE
|                                            |         /-----Find Ua CAELLUIDHE
|                                            |        |         \-----Derbforgaill
|                                             \-----Gormflaith
Isabel



Descendants of Isabel
1. Isabel m. Rhys Ap MAELGWN VYCHAN
m. Rhys Ap MAELGWN VYCHAN