Biography
William Longespée was born circa 1212 to William Longespée, 3rd Earl of Salisbury (c1176-1226) and Ela, 3rd Countess of Salisbury (c1187-1261) and died 7 February 1250 Battle of Al Mansurah of killed in action. He married Idonea de Camville (c1208-c1252) 1216 JL .
Children
| Name | Birth | Death | Joined with |
| Ela Longespée (c1226-1299) | 1226 England, United Kingdom | 22 November 1299 | James de Audley (c1230-c1276) |
| William Longespée (c1230-c1257) | |||
| Ida Longespée (-aft1271) | |||
Footnotes (including sources)
| ‡ General |
|