| | William de Percy 1185–1245 Joan de Briwere 1193–1233 Ellen de Balliol 1206–1281 | | | | Sir Henry de Percy 1156–1198 | | | | Baron Joscelin de Louvain 1121–1180 | | | | Duke Godfrey de Louvain 1060–1139 Countess Clementia of Namur 1078–1122 | | |
| | | William de Percy 1112–1175 Alice FitzGilbert de Clare of Tonbridge 1121–1150 | | |
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| | | Lord Adam III de Brus 1143–1196 Lady Joanna de Meschines 1140–1196 | | | | Lord Adam II de Brus 1099–1143 Ivetta de Arches 1116–1206 | | |
| | | Ranulph le Meschines 1099–1153 Maud FitzRobert 1120–1189 | | |
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| | | Sir William de Briwere 1145–1227 Beatrice de Vaux 1149–1217 | | | | Henry de Briwere 1114–1205 Lady Anne Walton 1115–1155 | | | | William de Briwere 1086–1115 |
| | | Waldeve de Walton 1091–1157 |
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| | | | | | | Walter de Berkeley 1136–1190 Eva Uchtred of Galloway 1144–1173 | | | | Sir Roger III de Berkeley 1094–1170 | | |
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