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
England and King David I as part of Henry's frontier policy, which included marriage of two daughters to the kings of Scotland and Galloway, consolidation of royal control in the north-west coast of England and the quelling of the Montgomeries, marcher lords on the Welsh borders who had been allied to Muirchertach Ua Briain, High King of Ireland (1101–19). The world of peace which David had enjoyed in England ended after the death of Henry I, just as it did for most other English magnates. His hostility to Stephen can be interpreted as an effort to uphold the intended inheritance of Henry I, the succession