| | Margaret Basset 1278–1337 Edmund Stafford 1272–1308 | | |
Sir Ralph de Basset 1280–1343 | | |
Elizabeth de Basset 1286–… | | |
| | Lord Ralph de Basset 1253–1299 | | |
| | Sir John de Grey 1205–1267 | | |
| | Nichole de Leigh 1185–1240 | | |
| | | | | | | | | | Richard I Basset 1097–1144 | | | | | | | | Thurston Basset 1050–1088 | | |
| | | Lord Robert de Brus 1030–1088 Emma de Brittany 1034–1094 | | |
|
|
| | | Geoffrey de Ridel 1075–1120 | | | | | Hugh de Avranches 1048–1101 Ermentrude of Clermont 1067–1094 | | |
|
|
|
|
|
|
|
|