Nielsen Hayden genealogy
Owain ap Gruffudd ab Yr Arglwydd Rhys
- 12361. Owain ap Gruffudd ab Yr Arglwydd Rhys (son of Gruffudd ab Yr Arglwydd Rhys and Matilda de Briouze); died on 18 Jan 1236 in Strata Florida Abbey, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales. Family/Spouse: (Unknown daughter of Gwion Sais). [Group Sheet] [Family Chart]
Children:- Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys died in Mar 1265 in Llanbardarn Fawr, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales.
2. Gruffudd ab Yr Arglwydd Rhys (son of Rhys ap Gruffydd, King of Deheubarth and Gwenllian ferch Madog); died on 25 Jul 1201 in Strata Florida Abbey, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales. Gruffudd married Matilda de Briouze. Matilda (daughter of William de Briouze and Maud de St. Valéry) died on 29 Dec 1210 in Llanbardarn Fawr, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales. [Group Sheet] [Family Chart]
3. Matilda de Briouze (daughter of William de Briouze and Maud de St. Valéry); died on 29 Dec 1210 in Llanbardarn Fawr, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales. Children:
- 1. Owain ap Gruffudd ab Yr Arglwydd Rhys died on 18 Jan 1236 in Strata Florida Abbey, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales.
Generation: 3
4. Rhys ap Gruffydd, King of Deheubarth was born about 1132 (son of Gruffydd ap Rhys and Gwenllian ferch Gruffudd); died on 24 Apr 1197; was buried in St Davids Cathedral, St. Davids, Pembrokeshire, Wales. Rhys married Gwenllian ferch Madog. Gwenllian (daughter of Madog ap Maredudd, Prince of Powys Fadog and (Unknown wife or mistress of Madog ap Maredudd)) died in 1160. [Group Sheet] [Family Chart]
5. Gwenllian ferch Madog (daughter of Madog ap Maredudd, Prince of Powys Fadog and (Unknown wife or mistress of Madog ap Maredudd)); died in 1160. Children:
- Gwenllian ferch Yr Arglwydd Rhys died in 1236.
- 2. Gruffudd ab Yr Arglwydd Rhys died on 25 Jul 1201 in Strata Florida Abbey, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales.
6. William de Briouze was born in of Briouze, Normandy, France (son of William de Briouze and Bertha of Hereford); died on 9 Aug 1211 in Corbeil, near Paris, France. William married Maud de St. Valéry. Maud (daughter of Bernard de St. Valéry and Matilda) was born about 1150; died in 1210 in Windsor, Berkshire, England. [Group Sheet] [Family Chart]
7. Maud de St. Valéry was born about 1150 (daughter of Bernard de St. Valéry and Matilda); died in 1210 in Windsor, Berkshire, England. Children:
- William de Briouze died in 1210 in Windsor, Berkshire, England.
- Reynold de Briouze was born in of Abergavenny, Monmouthshire, Wales; died between 1227 and 1228.
- Bertha de Briouze
- 3. Matilda de Briouze died on 29 Dec 1210 in Llanbardarn Fawr, Ceredigion, Wales; was buried in Strata Florida Abbey, Ceredigion, Wales.
- Margaret de Briouze was born about 1181; died after 25 Jun 1245.
Generation: 4
8. Gruffydd ap Rhys was born about 1090 (son of Rhys ap Tewdyr, King of Deheubarth and (Unknown wife of Rhys ap Tewdyr)); died in 1137. Gruffydd married Gwenllian ferch Gruffudd. Gwenllian (daughter of Gruffydd ap Cynan ab Iago, King of Gwynedd and Angharad ferch Owain) died in 1136. [Group Sheet] [Family Chart]
9. Gwenllian ferch Gruffudd (daughter of Gruffydd ap Cynan ab Iago, King of Gwynedd and Angharad ferch Owain); died in 1136. Children:
- 4. Rhys ap Gruffydd, King of Deheubarth was born about 1132; died on 24 Apr 1197; was buried in St Davids Cathedral, St. Davids, Pembrokeshire, Wales.
10. Madog ap Maredudd, Prince of Powys Fadog (son of Maredudd ap Bleddyn ap Cynfyn and Hunydd ferch Einudd); died in 1160 in Winchester, Hampshire, England; was buried in St. Tysilio, Meifod, Powys, Wales. Madog married (Unknown wife or mistress of Madog ap Maredudd). [Group Sheet] [Family Chart]
11. (Unknown wife or mistress of Madog ap Maredudd) Children:
12. William de Briouze was born about 1100 in of Bramber, Sussex, England (son of Philip de Briouze and Aenor de Totnes); died about 1180. William married Bertha of Hereford about 1150. Bertha (daughter of Miles of Gloucester and Sibyl de Neufmarché) was born in of Brecknock, Breconshire, Wales. [Group Sheet] [Family Chart]
13. Bertha of Hereford was born in of Brecknock, Breconshire, Wales (daughter of Miles of Gloucester and Sibyl de Neufmarché). Children:
- 6. William de Briouze was born in of Briouze, Normandy, France; died on 9 Aug 1211 in Corbeil, near Paris, France.
14. Bernard de St. Valéry was born in of Hinton Waldrist, Berkshire, England (son of Reginald de St. Valéry); died in 1190. Bernard married Matilda. Matilda died about 1151. [Group Sheet] [Family Chart]
15. Matilda died about 1151. Children:
- 7. Maud de St. Valéry was born about 1150; died in 1210 in Windsor, Berkshire, England.