Family: Geoffrey II Count Perche / Beatrix de Montdidier (F1511)
Count Hilduin III Montdidier (1010-1063) |
Adele de Roucy (1014-1062) 
|
Marguerite de Montdidier (1035- )  |
| Felicitas Queen of Arragon (1040-1086) |
| Geoffrey II Count Perche (1067-1100) |
| Beatrix de Montdidier (1069- )
|
| Countess Maud Perche, Countess of (1093-1143) |
| Juliana Perche (1093- ) |