Margaret de Beaumont, d. probably on 12 Jan 1234/5 but shortly bef. 12 Feb 1234/5; m. bef. 1173, Saher de Quincy, b. 1155, d. 3 Nov 1219, 1st Earl of Winchester, Magna Charta Surety 1215, Crusader 1219, son of Robert de Quincy, d. c 1198, Lord of Buckley and of Fawside, Crusader; m. Orabella, daughter of Ness; and grandson of Maud de St. Liz by her 2nd husband, Saher de Quincy of Buckley and Daventry. [Ancestral Roots]
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Margaret de Beaumont, d. probably on 12 Jan but bef. 12 Feb 1234/5, daughter of Robert, 3rd Earl of Leicester. [Magna Charta Sureties]