| b 1117, | ||||
| | | ||||
| Raimond (Raymond) I Turrenne, Viscount | ||||
| |b 1091 | | | |||
| |d 1121 | ||||
| | | ||||
| Margaret Turrenne, Countess | Geoffrey I Mortagne, Count | > | ||
| |Guillaume (William) IV Taillefer, Count | Rotrou Mortagne, Count | Elensie | |m 1147 | Geoffrey II Perche, Count | b 1041 |
| | | |b 1067 | Adeline | ||
| Maud Perche, Countess | d Oct1100 | b 1043 | Hildouin III Count Montdidier, [Seigneur] | > |
| b 1100 | | | Hildouin IV Montdidier, Count | ||
| d 18 May 1143 | Beatrix Montdidier | b 1021 | Ebles I, Count Roucy | |
| b 1051 | Alice (Adela) Countess Roucy | Beatrix, Countess Of Hainault | > | |
| b 1014 | ||||
| 1 | < | Aymer De Taillefer |
Source: 'Royalty for Commoners', Roderick W. Stuart, 1993, p 65.