Family: Hugh DE GRANDMESNIL, I / Adeliza DEBEAUMONT SUR LOISE (F1504)
Robert DEGRENTEMESNIL (1003-1038) |
Hawise D ECHAFOUR (1007-1030) |
| Yves DEBEAUMONT SUR OISE (1015-1102) |
| Judith Adelaide DEGOURNAY (1001-1099) |
Hugh DE GRANDMESNIL, I (1032-1094) 
|
| Adeliza DEBEAUMONT SUR LOISE (1032-1091)
|
| Robert De GRENTEMESNIL (1052-1122) |
| Amice DEMOWBRAY (1054-1085) |
| Adeliza AMICE (1055-1084) |
| Adeline De GRENTEMESNIL (1056-1111) |
| Halewise De GRENTEMESNIL (1058-1127) |
| Hugh De GRENTEMESNIL (1060-1087) |
| Alberic DEGRENTEMESNIL (1061-1114) |
| William DEGRENTMESNIL (1061- ) |
| Aubrey GRANDMESNIL (1062-1136) |
Rohese DEGRENTEMESNIL (1062-1127)  |
| Agnes DEGRENTEMESNIL (1062-1094) |
| Ivo GRENTEMESNIL (1064-1184) |
| Aubrey DEGRENTMESNIL (1065-1098) |
| Petronille DEGRANDMESNIL (1065- ) |
| Adeline DEGRENTMESNIL (1067-1127) |
| Matilda Maud DEGRENTEMESNIL (1068-1168) |
| Adeliza DETONI (1072- ) |
| Rohesia DEGRENTESMAISNEL (1072-1172) |
| Hawise DEGRANDMESNIL (1074-1172) |