Beatrice (died 19 April 1197 or some year before it), daughter of William de Mandeville, sister of 1st Earl of Essex and divorced wife of Hugh Talebot. [Burke's Peerage]
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He [William de Say] m. Beatrice, divorced wife of Hugh Talebot, sister of Earl Geoffrey above named, and da. of William de Mandeville. The Earl is said to have brought her to England for the marriage. She lived to a great age; d. 19 Apr, in or before 1197, and was buried at Walden Abbey. (Complete Peerage XI:464-5 (transcribed by Thomas Aiken))