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 a wide readership that the "History" was "among the great works of the present century". But in the later years of Freeman's life the book's reputation was injured by a series of attacks levelled on it by the genealogist and local historian J. H. Round. Round brought against Freeman the same kind of aggressively pedantic nit-picking that Freeman himself had been used to bring against other historians. Round was neither interested in nor knowledgeable about Anglo-Saxon history, but had "an instinctive feeling that in England our consecutive political history does, in a sense, begin with the Norman conquest". Part of