| Eltern | Geschwister | Kinder |
| Walter Percy | ||
| Alan Percy | ||
| Richard Percy | ||
| William Percy | ||
| Agnes Percy | ||
| Alan de Percy | ||
| Gruffudd Cadwaladr | ||
| Maud Percy | ||
| Cunedda Cadwaladr | ||
| Alice Percy | ||
| Randwlff Cadwaladr | ||
| Cadwaladr Gruffudd | Emma Percy | |
| Richard Cadwaladr | Adles Richard | |
| Alice Tunbridge Clare | Partner | |
| Annes Gwyn |