Ela FITZ WILLIAM, Countess of Salisbury
- Born: 1191/2
- Married: Abt 1196
- Died: 24 Aug 1261
- Buried: Lacock Abbey, Wiltshire, England
The Continuator of Florence of Worcester records that Richard I King of England arranged the marriage of "Willelmus comes Saresberiensis filius comitis Patricii…filiam" and "Wilelmo fratri suo notho cum comitatu" in .
She succeeded her father in 1196 as Ctss of Salisbury, suo iuris. “Ela comitissa Sarr.” founded Henton Priory, Somerset, for the soul of “comitis Willielmi patris mei”, by undated charter. She founded Lacock Abbey, Wiltshire in 1229, where she became a nun 1238. Abbess of Lacock 1240-1257. 1
Ela married William DE LONGESPÉE, Earl of Salisbury, son of Henry II "Curmantle" PLANTAGENET, King of England, and his mistress Ida, about 1196. (William DE LONGESPÉE was born in 1176 and died on 7 Mar 1226 in Salisbury, Wiltshire, England.)