Isabel Plantagenet, Prioress of Amesbury

Medlands has this to say: "ISABEL ([1317]-after 1 Feb 1347). Weir names “Isabella...born in c. 1317 and perhaps married Henry de la Dale in her youth. She became a nun at Amesbury Abbey, Wiltshire, beefore 6 Apr 1337, and was elected Prioress of Amesbury before 23 Mar 1344. She died after 1 Feb 1347” as the daughter of Henry Earl of Lancaster[1026]. The primary sources on which this information is based have not been identified. Nun at Amesbury Abbey, Wiltshire before 6 Apr 1337, elected Prioress of Amesbury before 23 Mar 1344."