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 Anglia and Lincolnshire, but he was driven back to his ships by the brothers Edwin, Earl of Mercia, and Morcar, Earl of Northumbria. Deserted by most of his followers, Tostig withdrew to Scotland, where he spent the summer recruiting fresh forces. King Harold spent the summer on the south coast with a large army and fleet waiting for William to invade, but the bulk of his forces were militia who needed to harvest their crops, so on 8 September Harold dismissed them. King Harald Hardrada invaded northern England in early September, leading a fleet of more than 300 ships carrying