WILLIAM de Vernon (-[16 Jun] after Sep 1151). "Adeliz de Redveriis" donated property to "abbatie sancte Marie Monteburgi", for the souls of "patris mei Willelmi Pevrel et matris mee Adeline", with the consent of "filiorum meorum Baldewini et Willelmi de Vernone et Roberti de sancte Marie ecclesia et fratris mei Willelmi Pevrel de Notingeham et nepotum meorum Ricardi de Redveriis Henrici atque Willelmi" by undated charter[508]. Seigneur de Vernon. The 1130 Pipe Roll records "Willo de Vernun" in Dorsetshire, Wiltshire[509]. "Baldwin earl of Exeter" donated property to the abbey of Sainte-Marie, Montebourg with the consent of "his sons Richard, Henry and his brothers William de Vernone and Robert de Sancte Marie Ecclesia" by charter dated to [1142/55][510]. "…Willelmus de Vernone…" witnessed the charter dated to [1147] under which "Henricus ducis Normannorum et comitis Andegavorum filius" confirmed the rights of the abbey of Saint-Ouen[511]. "…Willelmus de Vernone…" witnessed the charter dated to [end 1150/early Sep 1151] under which "H. dux Normannorum" granted privileges to the citizens of Rouen[512]. "…Willelmo de Vernone…" witnessed the charter dated to [Sep 1151/Jan 1153] under which "Henricus dux Norm et comes Andeg" confirmed the foundation of the abbey of Fontenay at the request of "Jordani Taxonis"[513]. Henry II King of England confirmed the property of the abbey of Blanchelande, including donations by "…Ricardus de Haya et Matildis uxor eius, predicte ecclesie fundatores, et Radulfus de Haya Ricardi nepos, et Willelmus de Vernone et Ricardus eius filius…" by charter dated 1157[514]. [The necrology of Mont-Bourg records the death "16 Jun" of "Guillelmus de Vernone ultimus"[515].] m LUCY de Tancarville, daughter of GUILLAUME de Tancarville & his wife Mathilde d'Arques. The primary source which confirms her parentage and marriage has not yet been identified. William & his wife had six children