| Male William de Ferrers, 3rd Earl of Derby |
| Birth | ||
| Death | 1190 | Acre, Hazafon, Israel |
| Burial | ||
| Marriage | ||
| Father | ||
| Mother | ||
| Female Sibyl de Braose |
| Birth | ||
| Death | ||
| Burial | ||
| Father | William de Braose, Baron of Gwentland | F3306 Group Sheet | |
| Mother | Bertha Of Hereford | F3306 Group Sheet | |
| Male William de Ferrers, 4th Earl of Derby |
| Birth | ||
| Death | 22 Sep 1247 | |
| Burial | ||
| Spouse | Agnes, of Chester | F4176 | |
| Marriage | 1192 | |