| Sir William Longspee (ca1212 - 1250) |
Walter de Clifford ( - <1263) |
| Idonea de Camville ( - <1252) |
Margaret ferch Llewelyn ap Iowerth |
| Sir William Longspee | Matilda de Clifford |
| b. d. 1257, From wounds at a tournament at Blyth, Notts . |
b. d. aft 1 Dec 1281 . Sole heir. dspm. |
| Spouses: 1, 2 |
| Margaret Longspee Countess of Salisbury |