Sarah, sister of William de Beauchamp, Earl of Warwick. [Burke's Peerage]
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He [Richard Talbot] is said to have married, after 7 January 1268/9, Sarah, sister of William (DE BEAUCHAMP), EARL OF WARWICK, daughter of William DE BEAUCHAMP, of Elmley, co. Worcester, by ISABEL, sister and heir of William (MAUDUIT), EARL OF WARWICK, daughter of William MAUDUIT, of Hanslope, Bucks. He died shortly before 3 September 1306. Sarah Talbot, probably his widow, was living, July 1317. [Complete Peerage XII/1:609-10, (transcribed by Dave Utzinger)]