Isabel (or Elizabeth), widow of Robert (DE BEAUMONT), COUNT OF MEULAN and 1st EARL OF LEICESTER (died 5 June 1118), daughter of Hugh DE CR.PI (styled "the Great"), COUNT OF VERMANDOIS (younger son of HENRY I, KING OF FRANCE), by Adelaide, daughter and heir of Herbert, COUNT OF VERMANDOIS and VALOIS. Isabel survived him and with the consent of her son the 3rd Earl gave the church of Dorking to Lewes priory. She died probably before July 1147. [Complete Peerage XII/1:495-6, (transcribed by Dave Utzinger)]
Note: According to Ancestral Roots, Isabel preceeded William in death in 13 Feb 1130/31--not July 1147.