| Father | Robert II De BEAUMONT Earlofleicester (1104 - ) |
| Mother | Amice De (Uta) GAEL (WAIET) [COUNTESS OF LEI (1100 - ) |
| Sibling | Robert "Blanchmains" HARCOURT [EARL OF LEICEST (1121 - 1190) |
| Sibling | Isabel (Elizabeth) "De Leicester [COUNTESS OF HUN (1121 - 1188) |
| Sibling | Margaret De BEAUMONT (1125 - ) |
| Sibling | Hawise "De Beaumont" Leicester [COUNTESS OF GLO (1129 - 1197) |
| Sibling | Roger De BEAUMONT (1128 - ) |
| Sibling | Gervace De BEAUMONT (1138 - ) |
| Sibling | William De BEAUMONT (1142 - ) |
| Sibling | John De BEAUMONT (1144 - ) |
| Sibling | Geoffrey De BEAUMONT (1146 - ) |
| Sibling | Henry De BEAUMONT (1148 - ) |