 | Sir Robert, 1St Earl Of Leister DE BEAUMONT (1046-1118) 
|
 | Isabelle (Elizabeth) DE VERMANDOIS (1081-1131)
|
 | Robert DE BEAUMONT, Earl Of Leicester (1104-1168)  |
| Waleran Of Meulan DE BEAUMONT, Earl Of Worcester (1104-1166) |
| Isabelle DE BEAUMONT (1104-1173)
|
| Gilbert Fitzgilbert DE CLARE, "Strongbow" (1100-1148) |
| Richard DE CLARE, "Strongbow" (1125-1176) |
