| Trahairn ap Caradwg of S. Wales Prince of South Wales (~1044 - 1081) |
Iorwerth ap Cadwgan ap Elystan Glodrydd of Builth Lord of Builth (~1020 - ) |
| Nesta ferch Gruffydd of N. Wales of North Wales (~1058 - ) |
Gwenllyan Verch Aron (~1026 - ) |
| Llywarch ap Trahearn of N. Wales Prince of North Wales | Dyddgu verch Iorwerth of Builth |
| b. abt 1070, Arwystli, Montgomeryshire, Wales d. abt 1128/1129, North Wales bur. occ. cen. im. . ud. |
b. abt 1060, Radnorshire, Wales d. bur. occ. cen. im. . ud. |
| Gwladys Gladys verch Llywarch of N. Wales Robert ap Llywarch |