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 and for centuries afterwards English was not well understood by the nobility. An estimated 8000 Normans and other continentals settled in England as a result of the conquest, although exact figures cannot be established. Some of these new residents intermarried with the native English, but the extent of this practice in the years immediately after Hastings is unclear. Several marriages are attested between Norman men and English women during the years before 1100, but such marriages were uncommon. Most Normans continued to contract marriages with other Normans or other continental families rather than with the English. Within a century of