| Male Cadwgon Ap Bleddyn |
| Birth | 1050 | Montgomeryshire, Wales |
| Death | 1111 | Welshpool, Montgomeryshire, Wales |
| Burial | ||
| Marriage | 1108 | , Montgomeryshire, , Wales |
| Other Spouse | Frances De Say | F1107 | |
| Marriage | ||
| Father | Bleddyn (king of Gwynedd and Powys) Ap Cynfyn | F4357 Group Sheet | |
| Mother | Haer Verch Cillin | F4357 Group Sheet | |
| Female Gwenllian Verch Gruffydd |
| Birth | 1090 | Caernarvonshire, Wales |
| Death | 1136 | Maes Gwenllian, Outside Walls, Wales |
| Burial | ||
| Father | ||
| Mother | ||
| Male + Madog ApCadwgon |
| Birth | 1102 | Llanfachreth, Merionethshire, Wales |
| Death | 1121 | |
| Burial | ||
| Spouse | Jane Verch Cynwrig | F1103 | |
| Marriage | ||