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 of Ziębice Henry I of Ziębice Henry I of Ziębice (; b. – d. aft. 8 August 1366), was a titular Duke of Ziębice from 1358 until his death. He was the second and youngest son of Nicholas the Small, Duke of Ziębice, by his wife Agnes, daughter of Herman Krušina of Lichtenberg. After his father's early death in 1358, Henry I and his older brother Bolko III succeeded him in the Duchy of Ziębice as co-rulers; however, because they are minor at that time, their mother, the Dowager Duchess Agnes held the regency on their behalf until 1360, when Bolko III