| Father | Robert De BEAUMONT [COUNT OF MEULAN (1046 - ) |
| Mother | Isabel (Elizabeth) De VERMANDOIS (1081 - ) |
| Sibling | Isabel (Elizabeth) De BEAUMONT (1086 - 1147) |
| Sibling | Aubreye De BEAUMONT (1099 - ) |
| Sibling | Waleran Count Of MEULAN [Earl of Worcest ( - ) |
| Sibling | Daughter De BEAUMONT (1104 - ) |
| Sibling | Hugh De BEAUMONT [EARL OF BEDFORD (1106 - ) |
| Sibling | Daughter De BEAUMONT (1110 - ) |
| Sibling | Amicade De BEAUMONT (1112 - ) |
| Sibling | Maud De BEAUMONT (1114 - ) |
| Sibling | Adeline De BEAUMONT (1124 - ) |
| Sibling | Isabel Elizabeth De BEAUMONT Concubine 15 (1102 - ) |
| Sibling | Mabel De BEAUMONT (1102 - ) |
| Sibling | Walerun De BEAUMONT (1104 - ) |
| Sibling | Robert II De BEAUMONT Earlofleicester (1104 - ) |