| Hugues de Grandmesnil
* 1032 † 1094 | ||
| ∞ | ||
| Adelize
† 1087 | ||
| Robert de Grandmesnil | ||
| Hugues de Grandmesnil | ||
| Pétronille de Grandmesnil | ||
| ∞ | ||
Robert de Beaumont
![[mer]](up.png)
† 1190 | ||
| Robert de Beaumont
† 1204 | ||
| Roger de Beaumont | ||
| William de Beaumont | ||
| Amicia de Beaumont | ||
| >> | ||
| Margaret de Beaumont | ||
| William de Grandmesnil | ||
| Hugh de Grandmesnil | ||
| Ivo de Grandmesnil | ||
| Aubrey de Grandmesnil | ||
| Adeline de Grandmesnil | ||
| ∞ | ||
| Roger d'Ivry | ||
| Hawise de Grandmesnil | ||
| Rohais de Grandmesnil | ||
| Matilda de Grandmesnil | ||
| Agnes de Grandmesnil | ||