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 of Jawor in support of rebels against King John. However, two years later, Henry I settled an agreement with King John, thanks to the mediation of Louis IV, Duke of Bavaria and German King, Henry I brother-in-law. Shortly after, Queen Elisabeth decided to sell her fiefs to King John. In 1319 Waldemar, Margrave of Brandenburg-Stendal died without issue and with him, the branch of the House of Ascania who ruled Brandenburg since the 12th century, became extinct. Through his mother Beatrix, Henry I was one of the closest relatives of the late Margrave. Determined to obtain part of Waldemar's inheritance, he entered