 | Sir Robert, 1St Earl Of Leister DE BEAUMONT (1046-1118) 
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 | Isabelle (Elizabeth) DE VERMANDOIS (1081-1131)
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 | Waleran Of Meulan DE BEAUMONT, Earl Of Worcester (1104-1166) |
| Isabelle DE BEAUMONT (1104-1173)  |
| Robert DE BEAUMONT, Earl Of Leicester (1104-1168)
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| Amice DE MONTFORT (1100-1168)
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| Robert DE BEAUMONT, Iii Earl Of Leicester (1121-1190) |
| Hawise DE BEAUMONT (1129-1183) |
