GILBERT de Laigle (-bur Saint-Sulpice-sur-Risle[2091]). Son of Egenulf according to Orderic Vitalis, who also says that Robert III Duke of Normandy often commanded him to perform military service "because he was conspicuously courageous" and rewarded him with the castle of Exmes, which was immediately besieged by Robert de Bellême[2092]. "Richer de Aquila son of Ingenulf de Aquila" donated property to the abbey of Saint-Evroul by charter dated to [1099] (although this date is incorrect if the date of his death is as shown above), witnessed by "…Gilleberto et Roberto fratribus meis…"[2093]. He launched an attack on the castle of Sainte-Suzanne to avenge the death of his brother[2094]. He was killed after visiting the castle of Moulins-la-Marche