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
The History of the Norman Conquest of England He was much involved in politics and not unreasonably regarded participation in government as useful training for a historian…Above all, he had tremendous zest. Marjorie Chibnall added that in his knowledge of medieval chronicles Freeman had no rival. As a set-off to this list Barlow noted Freeman's dogmatism, pugnacity and indifference to various subjects he considered irrelevant to his survey of 11th century England: theology, philosophy, and most of the arts. Freeman went on to publish a history of "The Reign of William Rufus" (1882), in two volumes. He also wrote a series of works on the Anglo-Saxon and Norman