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 the Long, Margrave of the Nordmark Henry's motivation in marrying Eupraxia was to bring Saxony closer to Kiev. In fact, the marriage may have been arranged by Oda of Stade, daughter of Lothair Udo I, Margrave of the Nordmark, who had married Sviatoslav II, Grand Prince of Kiev. Oda is identified as a relative of Henry’s father Lothair Udo II as well as a niece of Henry III, Holy Roman Emperor, and Pope Leo IX. Upon his death, Henry was succeeded as margrave and count by his brother Lothair Udo III. Henry I the Long, Margrave of the Nordmark Henry I the Long (c.1065 - died