Margery d'Oilly 1
First wife of Waleran de Beaumont
Margery married Waleran de Beaumont 4th Earl of Warwick, son of Roger de Beaumont 2nd Earl of Warwick and Gundred de Warenne. (Waleran de Beaumont 4th Earl of Warwick was born before 1153 and died on 24 Dec 1204.)
Weis, Frederick Lewis and Walter Lee Sheppard, Jr; William R. Beall and Kaleen E. Beall, eds, Ancestral Roots of Certain American Colonists Who Came to America before 1700 (8th ed. Baltimore: Genealogical Publishing Company, 2008.), Line 84-26 (Waleran de Beaumont.