| | Margaret Basset 1278–1337 Edmund Stafford 1272–1308 | | |
Sir Ralph de Basset 1280–1343 | | |
Elizabeth de Basset 1286–… | | |
| | Lord Ralph de Basset 1253–1299 | | |
| | Lord Ralph IV de Basset 1213–1265 Margaret de Somery 1229–1293 | | |
| | Ralph III Basset 1189–1254 Margaret le Bigod 1194–1237 | | |
| | | | | | | | | | Richard I Basset 1097–1144 | | | | | | | | Thurston Basset 1050–1088 | | |
| | | Lord Robert de Brus 1030–1088 Emma de Brittany 1034–1094 | | |
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| | | Geoffrey de Ridel 1075–1120 | | | | | Hugh de Avranches 1048–1101 Ermentrude of Clermont 1067–1094 | | |
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