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. Richardson, Douglas, Plantagenet Ancestry: A Study in Colonial and Medieval Families. Baltimore, MD: Genelogical Publishing Co, 2004. Information from this source tagged as [Ref: Richardson PA p[0-9]*].
  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 v1[pc][0-9]*].

Sources for birth and parent Information
parents:
[Ref: Richardson PA p2, Richardson RoyalAnc v1p22, Richardson RoyalAnc v1p24]
Research Notes:
heir of his father [Ref: Richardson RoyalAnc v1p24]



Pedigree of Owain Ab Dafydd
                                                                /-----Idwal Foel Prince Of Gwynedd
                                                       /-----Meyric Prince Of North Wales
                                                      |         \-----Avendreg Of Powys
                                              /-----Idwal Prince Of North Wales
                                     /-----Iago Ab Idwal, Prince Of Gwynedd
                            /-----Cynan Ap Iago, Prince Of North Wales
                   /-----Gruffydd Ap Cynan, Prince Of Gwynedd
                  |        |                                    /-----Sitric II CAOCH, King Of Dublin
                  |        |                           /-----Olaf III Sihtricsson, King Of Yorks And Dublin
                  |        |                  /-----Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
                  |        |                 |        |         /-----Murchad Ui DUNLAINGE, King Of Laigin & Leinster
                  |        |                 |         \-----Gormflaith Of Nass
                  |        |                 |                  \-----(Unk Princess) Of Connacht
                  |        |         /-----Olaf Of Dublin
                  |        |        |        |                  /-----Cennetig Dal Cais King Of Munster And Thomond
                  |        |        |        |         /-----Brian Boruma, King Of Cashel And Munster, High
                  |        |        |        |        |         \-----Be Bind
                  |        |        |         \-----Slani
                  |        |        |                 |         /-----Carrlus Mac AILELLA, King Of Ui Adea Ocba
                  |        |        |                  \-----Echrad
                  |         \-----Ragnaillt Of Dublin
                  |                 |                           /-----Augaire Ui DUNLAINGE, King Of Laigin & Leinster
                  |                 |                  /-----Tuathal Ui DUNLAINGE, King Of Laigin & Leinster
                  |                 |         /-----Dunlang Ui DUNLAINGE, King Of Laigin & Leinster
                  |                  \-----Maelcorcre Of Leinster
          /-----Owain Gwynedd Prince Of Gwynedd
         |        |                  /-----Edwin Ap Gronwy Of Tegeingl
         |        |         /-----Owain Ap Edwin
         |        |        |        |                  /-----Gwerystan
         |        |        |        |         /-----Cynfyn Ap Gwerystan
         |        |        |         \-----Iwerydd Ferch Cynfyn
         |         \-----Angharat Of Tegaingl
         |                 |         /-----Ednywain Bendew I Ap Neinad
         |                  \-----Morwyl Ferch Ednywain Bendew
 /-----Dafydd Ab Owain, Prince Of Gwynedd
|        |                           /-----Edwin Ap Gronwy Of Tegeingl
|        |                  /-----Owain Ap Edwin
|        |                 |        |                  /-----Gwerystan
|        |                 |        |         /-----Cynfyn Ap Gwerystan
|        |                 |         \-----Iwerydd Ferch Cynfyn
|        |         /-----Gronw AP OWEN AP EDWIN
|        |        |        |         /-----Ednywain Bendew I Ap Neinad
|        |        |         \-----Morwyl Ferch Ednywain Bendew
|         \-----Christina Ferch Growny
Owain Ab Dafydd
|                                                               /-----Gausfred Vicount Of Chateaudun
|                                                      /-----Fulk Count Of Perche
|                                                     |         \-----Hildegarde Of Perche
|                                             /-----Hugo Of Perch
|                                            |        |         /-----Rotrou Seigneur Of Nogent-An-Rotrou
|                                            |         \-----Melisende
|                                    /-----Geoffrey Ferreol Count Of The Gatinais
|                                   |        |                  /-----Lutaud Count Of Macon
|                                   |        |         /-----Aubri Count Of Macon
|                                   |        |        |         \-----Ermengarde Of Chalon
|                                   |         \-----Beatrix Of Macon
|                                   |                 |         /-----Geoffrey Vicount Of Orleans
|                                   |                  \-----(Unk)
|                                   |                           \-----(Unk Dau) Of Sens
|                           /-----Fulk IV Rechin Count Of Anjou
|                          |        |                           /-----Fulk II The Good Count Of Anjou
|                          |        |                  /-----Geoffrey I Grisgonelle Count Of Anjou
|                          |        |                 |         \-----Gerberga Of Nevers
|                          |        |         /-----Fulk III The Black Count Of Anjou
|                          |        |        |        |         /-----Robert Count Of Troyes
|                          |        |        |         \-----Adele Of Troyes
|                          |        |        |                  \-----Adelaide Of Burgundy
|                          |         \-----Ermengarde Of Anjou
|                          |                  \-----Hildegarde Of Metz
|                  /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
|                 |        |                                    /-----Amauri I
|                 |        |                           /-----William Count Of Hainault
|                 |        |                  /-----Amauri III De MONTFORT
|                 |        |                 |         \-----(Unk) Heiress Of Montfort And Epernon
|                 |        |         /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
|                 |        |        |        |         /-----Guilaume De Gommetz
|                 |        |        |         \-----Bertrade De GOMMETZ
|                 |        |        |                  \-----Alberade
|                 |         \-----Bertrade De MONTFORT
|                 |                 |                           /-----Richard I The Fearless Duke Of Normandy
|                 |                 |                  /-----Robert Count Of Evereux, Archbishop Of Rouen
|                 |                 |                 |         \-----Gunnora
|                 |                 |         /-----Richard Count Of Evereux
|                 |                 |        |         \-----Herleva
|                 |                  \-----Agnes Of Evereux
|                 |                           \-----Godehildie
|         /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
|        |        |                                    /-----Landry Sire de Baugency
|        |        |                           /-----Lancellin I Sire De Baugency In Orleanais
|        |        |                  /-----John De BAUGENCY, Seigneur De La Fleche
|        |        |         /-----Helias Count Of Maine
|        |        |        |        |                           /-----Hugh II Count Of Maine
|        |        |        |        |                  /-----Hugh III Count Of Maine
|        |        |        |        |         /-----Herbert Count Of Maine
|        |        |        |         \-----Paula Of Maine
|        |         \-----Erembourg Of Maine
|        |                 |                                    /-----(Unk) De Chateau-du-Loir
|        |                 |                           /-----Hamon Seigneur De Chateau-Du-Loir
|        |                 |                  /-----Robert Seigneur De Chateau-Du-Loir
|        |                 |                 |        |         /-----Yves De BELLEME, Seigneur De Belleme
|        |                 |                 |         \-----Hildeburgis
|        |                 |                 |                  \-----Godehaut
|        |                 |         /-----Gervase Seigneur De Chateau-Du-Loir
|        |                 |        |         \-----Elizabeth
|        |                  \-----Matilda De Chateau-Du-Loir
|        |                           \-----Aremburge
|        |                                    \-----Mathilde
 \-----Emma PLANTAGENET



Descendants of Owain Ab Dafydd
1. Owain Ab Dafydd