William of Ypres to the English throne following Henry I's death in 1135 finally changed William's fortunes for the better. He commanded Stephen's troops against the forces of their cousin, Henry's daughter Empress Matilda, who claimed the throne. Many of the soldiers were William's fellow Flemings, including his brother. Stephen's campaign in Normandy failed because the local noblemen refused to co-operate with William and other Flemings. William was much more active in England, where he took part in the Battle of Lincoln (1141), during which Stephen was captured by the Empress's forces. William led his contingent away when it became clear that the
Henry, Prince of Capua Henry, Prince of Capua Henry ("Arricus" or "Arrico") (1160–1172) was the youngest and second surviving son of William I of Sicily by Margaret of Navarre. By his father's will he succeeded to the title Prince of Capua, an appanage to the throne, while his brother William succeeded to the throne. Henry's coronation as prince was postponed from the death of his father (1166). He was present with William at Taranto, where the young king awaited his Greek bride. They planned to return via Capua and there invest Henry with his principality, but not far off from the town, Henry came