Mortain was captured at the battle of Tinchebrai (1106) and forfeited his possessions. Some years later, Henry bestowed the comtéship on his nephew Stephen, who became king in 1135. On Stephen's death (1154) his surviving son William became count of Mortain, but when William died childless in 1159 the title was resumed by Henry II. On the accession of Richard I (1189) he granted it to his brother John, who was thenceforth known as count of Mortain until he ascended the throne (1199). With his loss of Normandy the "comté" was lost, but after the recapture of the province by the
Treaty of Alton Treaty of Alton The Treaty of Alton was an agreement signed in 1101 between Henry I of England and his older brother Robert, Duke of Normandy in which Robert agreed to recognize Henry as king of England in exchange for a yearly stipend and other concessions. The agreement temporarily ended a crisis in the succession of the Anglo-Norman kings. The previous year, Henry had seized the throne on the death of his brother William II, even though Robert had been William's acknowledged heir. Robert's absence in the First Crusade at the time of William's death, as well as his poor