Alan Basset, Lord of Wycombe ( -1232) 
|
| Fulk Basset, Bishop of London ( -1258) |
Sir Philip Basset, Lord of Wycombe ( -1271)  |
| William III de Ferrers, Earl of Derby (1192-1254)
|
Sibyl (Sibilla) Marshall (1203-1245)
|
| Agnes de Ferrers ( -1290) |
| Maud Ferrers ( -1299) |
| Eleanor de Ferrers ( -1274) |
| Joan de Ferrers ( -1269) |
| Gilbert Basset, Lord of Wycombe ( -1240)
|
| Isabel Ferrers ( -1260)
|
| Gilbert Basset ( -1241) |
