
| Dyddgu verch Idnerth | |
| B: | 1085 |
| Radnorshire, Wales, United Kingdom | |
| D: | 1101 |
| Llywarch, Hwlbwrch | |
| B: | Abt 1107 |
| D: | DECEASED |
| Lord Iorwerth ap Cadwgon, of Builth | |
| B: | 1027 |
| Radnorshire, Wales, United Kingdom | |
| D: | DECEASED |
| Wife of Iorwerth | |
| D: | DECEASED |
| Efa verch Gwrgan | |
| B: | 1035 |
| Glamorgan, Wales, United Kingdom | |
| D: | DECEASED |
| Angharad verch Ednywain | |
| B: | 990 |
| Wales, United Kingdom | |
| D: | DECEASED |
| Gwrgan, King | |
| B: | 965 |
| Glamorgan, Wales, United Kingdom | |
| D: | 1030 |
| Dyddgu verch Idnerth | |
| B: | 1085 |
| Radnorshire, Wales, United Kingdom | |
| D: | 1101 |
| Llywarch, Hwlbwrch | |
| B: | Abt 1107 |
| D: | DECEASED |
| Lord Iorwerth ap Cadwgon, of Builth | |
| B: | 1027 |
| Radnorshire, Wales, United Kingdom | |
| D: | DECEASED |
| Wife of Iorwerth | |
| D: | DECEASED |
| Efa verch Gwrgan | |
| B: | 1035 |
| Glamorgan, Wales, United Kingdom | |
| D: | DECEASED |
| Gwrgan ab Ithel, King of Glamorgan | |
| B: | 965 |
| Glamorgan, Wales | |
| D: | 1030 |