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
Style of the British sovereign the Almighty to the Throne of the whole Kingdom of Britain". In Scotland the preferred title of the monarch was "King/Queen of Scots" rather than "of Scotland" (although the latter was by no means unknown). William I, the first Norman monarch of England, used the simple "King of the English". His successor, William II, was the first consistently to use "by the Grace of God". Henry I added "Duke of the Normans" in 1121, though he had seized Normandy from his brother Robert in 1106. In 1152 Henry II acquired many further French possessions through his marriage to Eleanor of