| | Sir John de Grey 1205–1267 | | |
| | Nichole de Leigh 1185–1240 | | |
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Galfridus (Geoffrey) Basset de Ridel 1128–1189 | | |
| | Lord Ralph IV de Basset 1213–1265 Margaret de Somery 1229–1293 | | |
| | Ralph III Basset 1189–1254 Margaret le Bigod 1194–1237 | | |
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| | Margery Isabel Basset 1227–1266 Sir Nicholas II de Stapleton 1225–1290 | | |
| | Sir Miles Basset 1195–1272 Agnes de Lascelles 1205–1272 | | |
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| | Jordan Ridel Basset 1135–… | | |
| | Richard I Basset 1097–1144 | | | | Geoffrey de Ridel 1075–1120 | | | | | | | | Geoffrey Taillefer 1017–1075 | | | | Geoffrey Taillefer 988–1048 Petronilla de Archaic 994–… | | |
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| | | Adeliza de Saint Saveur 1030–1060 | | | | Judith de Montanolier 995–1020 | | |
| | | Neil de Saint Saveur 1010–1063 | | |
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| | | Hugh de Avranches 1048–1101 Ermentrude of Clermont 1067–1094 | | | | Viscount Richard de Avranches le Goz 1024–1084 Emma de Conteville 1030–1066 | | | | Judith de Montanolier 995–1020 | | |
| | | Sir Herluin de Conteville 1001–1066 Herleva Arletta de Falaise 1003–1078 | | |
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| | | Hugh de Clermont 1030–1101 Marguerite de Montdidier de Roucy 1040–1110 | | | | Renaud I de Clermont 1005–1098 Ermengardis de Clermont 1010–… | | |
| | | Hildouin III de Rameru 1010–1063 Countess Adele de Roucy 1019–1062 | | |
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| | | | | | | Thurston Basset 1050–1088 | | | | | Lord Robert de Brus 1030–1088 Emma de Brittany 1034–1094 | | | | Sir Rognvald de Brus 1011–1046 Countess Arlogia of Orkney 1015–1045 | | |
| | | Count Alan de Bretagne 1000–1046 Bertha de Blois 1015–1085 | | |
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| | | Lord Robert de Brus 1030–1088 Emma de Brittany 1034–1094 | | | | Sir Rognvald de Brus 1011–1046 Countess Arlogia of Orkney 1015–1045 | | | | Brusi Sigurdsson 987–1030 Ostrida Regenwaldsdatter 990–… | | |
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| | | Count Alan de Bretagne 1000–1046 Bertha de Blois 1015–1085 | | | | Duke Geoffrey de Bretagne de Berenger 980–1008 Hawise de Normandy 978–1034 | | |
| | | Odo Eudes II de Blois 983–1037 | | |
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