Battle of Wilton Boulogne to England and claimed the throne. He quickly gained the support of London's magnates and the church, and seized control of the treasury at Winchester. He was crowned king on 22 December 1135. By 1138, Matilda had gathered enough support to challenge Stephen for the throne. Her supporters were led by her half-brother Robert Earl of Gloucester. The ensuing civil war lasted until 6 November 1153 when, by the Treaty of Wallingford, Stephen recognised Matilda's son Henry as heir to the throne. By 1142 both sides had become cautious of risking open battle, and the civil war became a
Henry I, Count of Eu Henry I, Count of Eu Henry I, Count of Eu and Lord of Hastings (ca. 1075-12 July 1140) was the son of William II, Count of Eu, and his wife Helisende d'Avranches was the sister of Hugh d'Avranches, Earl of Chester. Henry descended from Richard I, Duke of Normandy. His father died in 1096, having revolted against King William II of England. As the eldest son, Henry succeeded William as Count of Eu and Lord of Hastings. In 1101, he supported Duke Robert Curthose against his brother Henry Beauclerc who has just seized the English throne. Robert left Tréport, the