England in the Middle Ages son, William, died aboard the "White Ship" disaster of 1120, sparking a fresh succession crisis: Henry's nephew, Stephen of Blois, claimed the throne in 1135, but this was disputed by the Empress Matilda, Henry's daughter. Civil war broke out across England and Normandy, resulting in a long period of warfare later termed the Anarchy. Matilda's son, Henry, finally agreed to a peace settlement at Winchester and succeeded as king in 1154. Henry II was the first of the Angevin rulers of England, so-called because he was also the Count of Anjou in Northern France. Henry had also acquired the huge
Henry I of England with William against Robert. Henry was present when William died in a hunting accident in 1100, and he seized the English throne, promising at his coronation to correct many of William's less popular policies. Henry married Matilda of Scotland but continued to have a large number of mistresses by whom he had many illegitimate children. Robert, who invaded in 1101, disputed Henry's control of England; this military campaign ended in a negotiated settlement that confirmed Henry as king. The peace was short-lived, and Henry invaded the Duchy of Normandy in 1105 and 1106, finally defeating Robert at the Battle of