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:
Children:
  1. Cynwrig Ap Llywelyn

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 v5p[0-9]*].
  2. Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States: who were themselves notable or left descendants notable in American history, with a 2008 Addendum, Coda, and Final Additions. Baltimore, MD: Gen Pub Co, 2008. NYPL APK 08-4216. Information from this source tagged as [Ref: Roberts RD600 p[0-9]*].

Sources for birth and parent Information
father:
illeg son [Ref: Richardson RoyalAnc v5p301, Roberts RD600 p387, Roberts RD600 p390, Roberts RD600 p408, Roberts RD600 p413]
Sources with Information about marriage to unknown
child:
[Ref: Roberts RD600 p387, Roberts RD600 p390, Roberts RD600 p408, Roberts RD600 p413]
Research Notes:
Constable of Rhuddlau [Ref: Roberts RD600 p387, Roberts RD600 p390]



Pedigree of Llywelyn Ap Dafydd
                                                                /-----Idwal Prince Of North Wales
                                                       /-----Iago Ab Idwal, Prince Of Gwynedd
                                              /-----Cynan Ap Iago, Prince Of North Wales
                                     /-----Gruffydd Ap Cynan, Prince Of Gwynedd
                                    |        |                  /-----Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
                                    |        |         /-----Olaf Of Dublin
                                    |        |        |         \-----Slani
                                    |         \-----Ragnaillt Of Dublin
                                    |                 |         /-----Dunlang Ui DUNLAINGE, King Of Laigin & Leinster
                                    |                  \-----Maelcorcre Of Leinster
                            /-----Owain Gwynedd Prince Of Gwynedd
                           |        |                  /-----Edwin Ap Gronwy Of Tegeingl
                           |        |         /-----Owain Ap Edwin
                           |        |        |        |         /-----Cynfyn Ap Gwerystan
                           |        |        |         \-----Iwerydd Ferch Cynfyn
                           |         \-----Angharat Of Tegaingl
                           |                 |         /-----Ednywain Bendew I Ap Neinad
                           |                  \-----Morwyl Ferch Ednywain Bendew
                   /-----Iorworth Drwyndwn Prince Of Gwynedd
                  |        |                           /-----Caradog
                  |        |                  /-----Trahaern Of Arwystil, King Of Gwynedd
                  |        |         /-----Llywarch
                  |         \-----Gladys Ferch Llywarch
                  |                  \-----Dyddgu Of Builth
          /-----Llewellyn Fawr The Great AP IORWORTH, Prince Of North Wales
         |        |                                             /-----Gwerystan
         |        |                                    /-----Cynfyn Ap Gwerystan
         |        |                           /-----Bleddyn Ap Cynfyn, King Of Gwynedd And Powys
         |        |                          |        |         /-----Maredudd Ab Owain, Prince Of Deheubarth
         |        |                          |         \-----Angharad Ferch Maredudd
         |        |                  /-----Maredudd Ap Bleddyn
         |        |                 |        |         /-----Cillin Y Blaidd Rhudd
         |        |                 |         \-----Haer Ferch Cillin
         |        |         /-----Madog Ap Maredudd, Prince Of Powys Fadog
         |        |        |        |         /-----Einudd
         |        |        |         \-----Hunydd Ferch Einudd
         |         \-----Margred Ferch Madog
         |                 |                                    /-----Idwal Prince Of North Wales
         |                 |                           /-----Iago Ab Idwal, Prince Of Gwynedd
         |                 |                  /-----Cynan Ap Iago, Prince Of North Wales
         |                 |         /-----Gruffydd Ap Cynan, Prince Of Gwynedd
         |                 |        |        |                  /-----Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
         |                 |        |        |         /-----Olaf Of Dublin
         |                 |        |        |        |         \-----Slani
         |                 |        |         \-----Ragnaillt Of Dublin
         |                 |        |                 |         /-----Dunlang Ui DUNLAINGE, King Of Laigin & Leinster
         |                 |        |                  \-----Maelcorcre Of Leinster
         |                  \-----Susanna Ferch Gruffudd Ap Cynan
         |                          |                  /-----Edwin Ap Gronwy Of Tegeingl
         |                          |         /-----Owain Ap Edwin
         |                          |        |        |         /-----Cynfyn Ap Gwerystan
         |                          |        |         \-----Iwerydd Ferch Cynfyn
         |                           \-----Angharat Of Tegaingl
         |                                   |         /-----Ednywain Bendew I Ap Neinad
         |                                    \-----Morwyl Ferch Ednywain Bendew
 /-----Dafydd Ap Llwelyn Fawy, Prince Of Wales
|        |                                                      /-----Geoffrey Ferreol Count Of The Gatinais
|        |                                             /-----Fulk IV Rechin Count Of Anjou
|        |                                            |         \-----Ermengarde Of Anjou
|        |                                    /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
|        |                                   |        |         /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
|        |                                   |         \-----Bertrade De MONTFORT
|        |                                   |                  \-----Agnes Of Evereux
|        |                           /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
|        |                          |        |                  /-----John De BAUGENCY, Seigneur De La Fleche
|        |                          |        |         /-----Helias Count Of Maine
|        |                          |        |        |         \-----Paula Of Maine
|        |                          |         \-----Erembourg Of Maine
|        |                          |                 |         /-----Gervase Seigneur De Chateau-Du-Loir
|        |                          |                  \-----Matilda De Chateau-Du-Loir
|        |                          |                           \-----Aremburge
|        |                  /-----Henry II Curt Mantel PLANTAGENET, King Of England
|        |                 |        |                           /-----Robert I The Devil Duke Of Normandy
|        |                 |        |                  /-----William The Conqueror King Of England
|        |                 |        |                 |         \-----Herleve Of Falaise
|        |                 |        |         /-----Henry I Beauclerc King Of England
|        |                 |        |        |        |         /-----Baldwin V Count Of Flanders
|        |                 |        |        |         \-----Maud Of Flanders
|        |                 |        |        |                  \-----Adelaide Of France
|        |                 |         \-----Matilda
|        |                 |                 |                  /-----Donnchad (Duncan I) Mac CRINAN, King Of Scots
|        |                 |                 |         /-----Mael Coluim Ceann Moir (Malcolm III) Canmore Mac DONNCHAD, King Of Scots
|        |                 |                 |        |         \-----Sibylia Of Northumbria
|        |                 |                  \-----Matilda Of Scotland
|        |                 |                          |         /-----Edward Athling The Exile
|        |                 |                           \-----Saint Margaret Of Scotland
|        |                 |                                    \-----Agatha
|        |         /-----John Lackland PLANTAGENET, King Of England
|        |        |        |                                    /-----William III Count Of Poitou, Duke Of Aquitaine
|        |        |        |                           /-----William VI Geoffrey Count Of Poitou
|        |        |        |                          |         \-----Agnes Of Burgundy
|        |        |        |                  /-----William VII Count Of Poitou, IX Duke Of Aquitain
|        |        |        |                 |        |         /-----Robert The Old Duke Of Burgundy
|        |        |        |                 |         \-----Hildegarde Of Burgundy
|        |        |        |                 |                  \-----Ermengarde Of Anjou
|        |        |        |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
|        |        |        |        |        |                  /-----Pons Count Of Toulouse
|        |        |        |        |        |         /-----William IV Count Of Toulouse
|        |        |        |        |        |        |         \-----Adelmode De La Marche
|        |        |        |        |         \-----Maud Of Toulouse
|        |        |        |        |                 |         /-----Robert De Mortain, Count Of Mortain In Avranchi
|        |        |        |        |                  \-----Emma De MORTAIN
|        |        |        |        |                           \-----Maud De Montgomery
|        |        |         \-----Eleanor Duchess Of Aquitaine
|        |        |                 |                           /-----Hugh De La ROCUEFOUCAUD, Vicount Of Chateller
|        |        |                 |                  /-----Boso II Vicount De Chastellerault
|        |        |                 |                 |         \-----Gergerga
|        |        |                 |         /-----Aimery I Vicount De Chatellerault
|        |        |                 |        |        |         /-----Aimery IV De THOUARS, Vicomte De Thouars
|        |        |                 |        |         \-----Eleanor De THOUARS
|        |        |                 |        |                  \-----Aurengarge De MAULEON
|        |        |                  \-----Eleanor De CHASTELLERAULT
|        |        |                          |                  /-----Archembaud Borel Sire De Isle-Bouchard
|        |        |                          |         /-----Barthelemy Sire De Isle Bouchard
|        |        |                          |        |         \-----Agnes
|        |        |                           \-----Dangerose
|        |        |                                    \-----Gerberga
|         \-----Joan
|                 |                                             /-----Walkelin De FERRIERES
|                 |                                    /-----Henry De FERRERS, Baron Of Tutbury
|                 |                           /-----Robert FERRERS, Earl Of Derby
|                 |                          |         \-----Bertha
|                 |                  /-----Robert De FERRERS, Earl Of Derby
|                 |                 |        |                  /-----Robert I Princeps Of Vitre
|                 |                 |        |         /-----Andre I De Vitre
|                 |                 |        |        |         \-----Bertha Dame De Craon
|                 |                 |         \-----Hawise
|                 |                 |                 |         /-----Robert De Mortain, Count Of Mortain In Avranchi
|                 |                 |                  \-----Agnes Of Mortain
|                 |                 |                           \-----Maud De Montgomery
|                 |         /-----William FERRERS, Earl Of Derby
|                 |        |        |                  /-----William PEVEREL, Baron Of Peverel
|                 |        |        |         /-----William PEVERIL, Baron Of Peverel
|                 |        |        |        |         \-----Adeline
|                 |        |         \-----Margaret PEVERIL
|                 |        |                 |                  /-----Gilbert De LANCASTER, Baron Of Kendal
|                 |        |                 |         /-----William I De LANCASTER, Baron Of Kendal
|                 |        |                 |        |         \-----Goditha
|                 |        |                  \-----Avice De LANCASTER
|                  \-----Agatha De FERRERS
|                          |                                    /-----(Unk) De BRAOS
|                          |                           /-----William De BRAOS, Baron Of Bramber
|                          |                          |         \-----Gunnor
|                          |                  /-----Philip De BRAOS, Baron Of Bramber
|                          |         /-----William De BRAOS, Baron Of Bramber
|                          |        |        |                  /-----Alvred Lord Of Barnstaple And Totnes
|                          |        |        |         /-----Johel De TOTENEIS, Baron Of Barnstaple
|                          |        |         \-----Aenor De TOTENEIS
|                          |        |                 |         /-----Eustache Of Picquigny, Vidame Of Amiens
|                          |        |                  \-----(Unk Dau) Of Picquigny
|                           \-----Sibyl De BRAOISE
|                                   |                           /-----Roger De PITRES
|                                   |                  /-----Walter FITZ ROGER
|                                   |                 |         \-----Adeliza
|                                   |         /-----Miles FITZ WALTER, Earl Of Hereford
|                                   |        |        |         /-----Dru De BALLON
|                                   |        |         \-----Berthe De BALLON
|                                    \-----Bertha Of Hereford
|                                            |                  /-----Geoffrey De NEUFMARCHE
|                                            |         /-----Bernard De NEUFMARCHE, Lord Of Brecon
|                                            |        |         \-----Ada
|                                             \-----Sibyl De NEUFMARCHE
|                                                     |         /-----Osborn FITZ RICHARD, Baron Of Richard's Castle
|                                                      \-----Nesta
|                                                               \-----Nesta
Llywelyn Ap Dafydd



Descendants of Llywelyn Ap Dafydd
1. Llywelyn Ap Dafydd m.

2nd generation

2. Cynwrig Ap Llywelyn m. Angharad Ferch Thomas Ap Gwion
m. Angharad Ferch Thomas Ap Gwion

3rd generation

3. Dafydd Llwyd Ap Cynwrig m. Annes Ferch Gwyn Ap Madog
m. Annes Ferch Gwyn Ap Madog

4th generation

4. Mawd Ferch Dafydd Llwyd m. Dafydd Goch Ap Trahaern Goch Ap Madog
m. Dafydd Goch Ap Trahaern Goch Ap Madog

5th generation

5. Ieuan Goch Ap Dafydd Goch m. Efa Ferch Einion Ap Celynin
m. Efa Ferch Einion Ap Celynin