| Partner: | Gervasse + of GRENTSMESNIL (977- ) | |
| Partner: | (unknown) | |
| Children: | Robert + of GRENTSMESNIL (990-1039) | |
| Name: | Gervasse + of GRENTSMESNIL | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Birth | 0977 | |
| Name: | Robert + of GRENTSMESNIL | |
| Sex: | Male | |
| Spouse: | Hawise + of ECHAFOUR (1007- ) | |
| Birth | 0990 | Grentsmesnil, Calvados, France |
| Death | 17 Jun 1039 (age 48-49) | France |