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
Norman conquest of England The Domesday survey was an administrative catalogue of the landholdings of the kingdom, and was unique to medieval Europe. It was divided into sections based on the shires, and listed all the landholdings of each tenant-in-chief of the king as well as who had held the land before the conquest. One of the most obvious effects of the conquest was the introduction of Anglo-Norman, a northern Old Norse-influenced dialect of Old French, as the language of the ruling classes in England, displacing Old English. Norman French words entered the English language, and a further sign of the shift was the