Stephen, King of England began to influence the loyalty of many Anglo-Norman barons, who feared losing their lands in England to Robert and the Empress, and their possessions in Normandy to Geoffrey. Many started to leave Stephen's faction. His friend and advisor Waleran was one of those who decided to defect in mid-1141, crossing into Normandy to secure his ancestral possessions by allying himself with the Angevins, and bringing Worcestershire into the Empress's camp. Waleran's twin brother, Robert of Leicester, effectively withdrew from fighting in the conflict at the same time. Other supporters of the Empress were restored in their former strongholds, such as
England in the High Middle Ages but William claimed ultimate possession of the land in England over which his armies had given him "de facto" control, and asserted the right to dispose of it as he saw fit. Henceforth, all land was "held" directly from the king in feudal tenure in return for military service. A Norman lord typically had properties located in a piecemeal fashion throughout England and Normandy, and not in a single geographic block. To find the lands to compensate his Norman followers, William initially confiscated the estates of all the English lords who had fought and died with Harold and redistributed part