Joan de Stafford [daughter of Margaret de Audley & Sir Ralph de Stafford], died before 1397; married John de Cherleton, age 26 Easter 1360, died 13 July 1374, Lord Cherleton and lord of Powys, son of John Cherleton and Maud, daughter of Sir Roger de Mortimer and Joan de Geneville. [Magna Charta Sureties]
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Joan, widow of 2nd Lord (Baron) Cherleton, and daughter of Ralph de Stafford, 1st Earl of Stafford. [Burke's Peerage]
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He [Gilbert Talbot] married, 2ndly, before 16 November 1379, Joan, widow of John (CHERLETON), LORD CHERLETON, feudal LORD OF Powis (died 13 July 1374] daughter of Ralph (DE STAFFORD), 1st EARL OF STAFFORD, by Margaret, daughter and heir of Hugh (DE AUDLEY), EARL OF GLOUCESTER. He is said to have died 24 April 1387 of the pestilence at Roales, in Spain, aged about 55. His widow died before 1397. [Complete Peerage XII/1:614-16, (transcribed by Dave Utzinger)]