| Cadwallon Ap Ieuan ( Prince of Maelienydd) 1 | |
| B: | 1165 |
| Llanfihangel-Y-Pennant, Merionethshire, Wales | |
| D: | Ambushed and murdered by roger de motimer |
| Efa Verch Madog (maid. name 1) |
| Efa Verch Madog (maid. name 1) | |
| B: | 1185 |
| Wales | |
| D: | 1266 |
| Wales | |
| Cadwgon Ap Madog |
| Cadwgon Ap Madog | |
| B: | 1135 |
| Nannau, Llanfachreth, Merionethshire, Wales | |
| D: | Wales |
| Gwenllian Verch Gwynedd (maid. name 1) |
| Gwenllian Verch Gwynedd (maid. name 1) | |
| B: | 1125 |
| Aberffraw Castle, Anglesey, Wales | |
| D: | 1197 |
| Wales | |
| Jane Verch Cynwrig |
| Jane Verch Cynwrig | |
| B: | 1110 |
| Denbighshire, Wales | |
| D: | Wales |
| Madog ApCadwgon |
| Madog ApCadwgon | |
| B: | 1102 |
| Llanfachreth, Merionethshire, Wales | |
| D: | 1121 |
| Annes Verch Idnerth |
| Annes Verch Idnerth | |
| B: | 1085 |
| Kinnerley, Shropshire, England | |
| Cynwrig Ap Rhiwallon |
| Cynwrig Ap Rhiwallon | |
| B: | 1090 |
| Denbighshire, Wales | |
| D: | 1090 |
| Wales | |