MaleKing Bleddyn "Sais" ap Cynfyn, of Powys & Gwynedd |
| Birth | 1025 | Montgomery, Montgomeryshire, Wales |
| Christening | 1063 | |
| Death | 1075 | Welshpool, Montgomeryshire, Wales |
| Burial | Abt 1075 | Welshpool, Montgomeryshire, Wales |
| Marriage | Abt 1042 | Montgomery, Montgomeryshire, Wales |
| Father | King Cynfyn ap Gwerystan, of Powys | F15024 Group Sheet | |
| Mother | Angharad ferch Maredudd, Queen of Powys | F15024 Group Sheet | |
FemaleHaer verch Cyllyn |
| Birth | 1025 | Dolbenmaen, Caernarfonshire, Wales |
| Death | 1089 | Caernarfonshire, Wales |
| Burial | ||
| Father | Lord Cyllyn ap Blaidd | F15025 Group Sheet | |
| Mother | Hynydd ap Rhys | F15025 Group Sheet | |
FemaleEfa Verch Bleddyn |
| Birth | Abt 1045 | Montgomeryshire, Wales, United Kingdom |
| Death | 7 Sep 1097 | Denbighshire, Wales |
| Burial |
MaleMaredudd ap Bleddyn |
| Birth | 1047 | Monmouthshire, Wales, United Kingdom |
| Death | 9 Feb 1132 | Montgomeryshire, Wales |
| Burial | ||
| Spouse | Hunydd ferch Eunydd | F14980 | |
| Marriage | ||
MalePrince Cadwgan (King of Powys) Bleddyn |
| Birth | 1050 | Nannau, Merionethshire, Wales, United Kingdom |
| Death | 1112 | Welshpool, Montgomeryshire, Wales, United Kingdom |
| Burial |
MaleRyryd ap Bleddyn |
| Birth | 1052 | Montgomeryshire, Wales, United Kingdom |
| Death | 1088 | Battle Llechryd, Radnorshire, Wales |
| Burial |
FemaleDenis verch Bleddyn |
| Birth | 1056 | Montgomeryshire, Wales |
| Death | 7 Sep 1097 | Denbighshire, Wales, United Kingdom |
| Burial |