Henry I of England plans for Matilda, the King was succeeded by his nephew, Stephen of Blois, resulting in a period of civil war known as the Anarchy. Henry was probably born in England in 1068, in either the summer or the last weeks of the year, possibly in the town of Selby in Yorkshire. His father was William the Conqueror, the Duke of Normandy who had invaded England in 1066 to become the King of England, establishing lands stretching into Wales. The invasion had created an Anglo-Norman elite, many with estates spread across both sides of the English Channel. These Anglo-Norman barons typically
Henry I, Count of Eu promise of good behaviour and at the request of William de Warenne, they were released. Nevertheless, Henry and Hugh, joining with Stephen of Aumale, led a rebellion in the northeast and provided military support to Baldwin VI. The rebellion ended in September 1118 at the Battle of Bures-en-Brai, where Baldwin was mortally wounded. Henry returned to the side of King Henry I. A few months later, on August 20, 1119, Henry was one several barons who accompanied King Henry I when a meeting of the Norman and French royal armies gave rise to the Battle of Brémule. The French were