| | Alberic 11 de Dammartin 1135–1200 Mathilda de Ponthieu 1149–1200 | | |
| | Albaric de Dammartin 1095–1183 | | |
Alice Aliva Basset 1150–… | | |
| | Baron Gilbert Basset 1158–1206 Egeline de Courtenay 1160–1214 | | |
| | Philippa de Malbank 1169–… | | |
| | Sir Alan Basset 1162–1233 | | |
| | Lord Thomas Basset 1125–1182 Alice de Dunstanville 1120–1186 | | |
| | | | |
Henry I de Oilly 1103–1163 | | |
| | Robert II de Oilly 1070–1142 Edith Sigulfson de Greystoke 1080–1172 | | |
