| | Robert Bossu De Beaumont [Earl of Leicest 1104–1168 Amice De (Uta) Gael (Waiet) [Countess of Lei 1100– | | |
| | Robert De Beaumont [Count of Meulan 1046–1118 Isabel (Elizabeth) De Vermandois 1081–1131 | | |
| | Adeliza Meulent [Countess of Meu 1014–1081 Roger De Beaumont 1022–1094 | | |
| | Waleran Count of Meulan 990–1069 | | |
| | Mrs-Jean De Conteville 974– |