| Male 3rd Earl of Leicester Robert de Beaumont |
| Birth | ||
| Death | ||
| Burial | ||
| Marriage | ||
| Father | 2nd Earl of Leicester Robert de Beaumont | F1343 Group Sheet | |
| Mother | Amice de Montfort | F1343 Group Sheet | |
| Female Pernel de Grandmesnil |
| Birth | ||
| Death | ||
| Burial | ||
| Father | William de Grandmesnil | F1118 Group Sheet | |
| Mother | ||
| Female Margaret de Beaumont |
| Birth | ||
| Death | ||
| Burial | ||
| Spouse | 1st Earl of Winchester Saher de Quincy, of Grantchester | F1116 | |
| Marriage | ||