Her parentage and marriage are confirmed by the foundation charter of the priory in which her son Robert de La Haye names himself "son of Ranulf the seneschal of Robert de Mortain" and "nephew of Eudo dapifer" [son of Thurstan Haldup].
Unknown daughter of Thurstan Haldup married Ranulf de la Haye of Halnake, son of Richard Turstin Haldup de la Haye and Anne. (Ranulf de la Haye was born about 1043 in La Haye du Puis, Normandy, France and died after 1123 in Halnaker, Sussex, England.)