ISABELLE [Elisabeth] de Vermandois ([before 1088][2036]-17 Feb 1131, bur Lewes). The Genealogiæ Scriptoris Fusniacensis refers to (but does not name) the fourth of the daughters of "Hugonem Magnum [et] Adelaide comitissa Veromandensium" as wife of "comiti de Meslent", and parents of "filios, quorum unus successit patri in comitatu, alter comitatum tenuit de Cirecestre"[2037]. Orderic Vitalis records that in 1096 "Hugo Crispeii comes" placed "Radulfo et Henrico filiis suis" in charge of his land, married "Ysabel filiam suam" to "Rodberto de Mellento comiti", and left on pilgrimage taking "secum nobile agmen Francorum"[2038]. Guillaume of Jumièges records that "secundus Willelmus de Warenna comes Surreiæ...tertius Willelmus filius eius" was born to "Elizabeth filia Hugonis Magni comitis Viromandorum", who had first married "Roberto comiti Mellenti" by whom she had "tres filios et totidem filias"[2039]. "Guillelmus filius Guillelmi de Vuarenna" confirmed donations of property to Saint-Victor-en-Caux by "patre meo", for the soul of "uxoris mee Ysabel", by undated charter (a copy of which is attached to a late-12th century transcription of a charter under which Hugh de Mortimer confirmed donations to the monastery), witnessed by "Gislebertus de Grenosavilla, Ysabel comitissa, Radulfus filius comitis…"[2040]. m firstly ([1096], divorced 1115) ROBERT de Beaumont Comte de Meulan, Seigneur de Beaumont-le-Roger, son of ROGER de Vieilles Seigneur de Beaumont-le-Roger & his wife Adeline de Meulan ([1046]-5 or 6 Jun 1118, bur Préaux, monastery of Saint-Pierre). m secondly (1118) WILLIAM de Warenne Earl of Surrey, son of WILLIAM de Warenne Earl of Surrey & his first wife Gundred --- (-[11 May] 1138, bur Lewes Priory).