Nielsen Hayden genealogy
Ancestors of Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys
- 1265 ┌── Rhys ap Tewdyr, King of Deheubarth ( - Apr 1093 Brycheiniog, Wales) =>
┌── Gruffydd ap Rhys (Abt 1090 - 1137)
│
┌── Rhys ap Gruffydd, King of Deheubarth (Abt 1132 -
│ 24 Apr 1197 bur.St Davids Cathedral, St. Davids, Pembrokeshire, Wales)
│ 24 Apr 1197 bur.St Davids Cathedral, St. Davids, Pembrokeshire, Wales)
│ │
│ │ ┌── Gruffydd ap Cynan ab Iago, King of Gwynedd (Abt 1055 - 1137)(m. Abt 1095) =>
│ └── Gwenllian ferch Gruffudd ( - 1136)
│ └── Angharad ferch Owain ( - 1162)(m. Abt 1095) =>
│
┌── Gruffudd ab Yr Arglwydd Rhys ( - 25 Jul 1201 Strata Florida Abbey, Ceredigion, Wales)
│ │
│ │ ┌── Maredudd ap Bleddyn ap Cynfyn (of Powys, Wales - 1132) =>
│ │ ┌── Madog ap Maredudd, Prince of Powys Fadog ( - 1160 Winchester, Hampshire, England)
│ │ │ └── Hunydd ferch Einudd =>
│ │ │
│ └── Gwenllian ferch Madog ( - 1160)
│
┌── Owain ap Gruffudd ab Yr Arglwydd Rhys ( - 18 Jan 1236 Strata Florida Abbey, Ceredigion, Wales)
│ │
│ │ ┌── Philip de Briouze (Bef 1066 - Between 1131 and 1139) =>
│ │ ┌── William de Briouze (Abt 1100 of Bramber, Sussex, England - Abt 1180)(m. Abt 1150)
│ │ │ └── Aenor de Totnes (of Totnes, Devon, England - ??) =>
│ │ │
│ │ ┌── William de Briouze (of Briouze, Normandy, France - 9 Aug 1211 Corbeil, near Paris, France)
│ │ │ │
│ │ │ │ ┌── Miles of Gloucester (Abt 1100 - 24 Dec 1143 bur.Llanthony Priory, outside
│ │ │ │ │ Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ │ │ │ Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ │ └── Bertha of Hereford (of Brecknock, Breconshire, Wales - ??)(m. Abt 1150)
│ │ │ └── Sibyl de Neufmarché (of Brecon, Breconshire, Wales - ?? bur.Llanthony Priory,
│ │ │ outside Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ │ outside Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ │
│ └── Matilda de Briouze ( - 29 Dec 1210 Llanbardarn Fawr, Ceredigion, Wales)
│ │
│ │ ┌── Reginald de St. Valéry (of Tetbury, Gloucestershire, England - Aft 1147) =>
│ │ ┌── Bernard de St. Valéry (of Hinton Waldrist, Berkshire, England - 1190)
│ └── Maud de St. Valéry (Abt 1150 - 1210 Windsor, Berkshire, England)
│ └── Matilda ( - Abt 1151)
│
Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys ( - Mar 1265 Llanbardarn Fawr, Ceredigion, Wales)
│
│ ┌── Gwyn ap Tewdwr Mawr ap Cadell (Abt 1030 - ??) =>
│ ┌── Llywarch ap Gwyn ap Tewdwr Mawr ap Cadell (Abt 1070 - ??)
│ ┌── Heilin ap Llywarch ap Gwyn ap Tewdwr Mawr (Abt 1100 - ??)
│ ┌── Gwion Sais ap Heilin ap Llywarch ap Gwyn (Abt 1170 - ??)