Stephen, King of England when he first arrived. Nonetheless Stephen probably reached his own estate on the edge of London by 8 December and over the next week he began to seize power in England. The crowds in London traditionally claimed a right to elect the king of England, and they proclaimed Stephen the new monarch, believing that he would grant the city new rights and privileges in return. Henry of Blois delivered the support of the church to Stephen: Stephen was able to advance to Winchester, where Roger, who was both the Bishop of Salisbury and the Lord Chancellor, instructed the royal treasury
Stephen, King of England recognised Stephen's son Eustace as Duke of Normandy in exchange for Eustace giving fealty to the French king. Stephen was less successful, however, in regaining the Argentan province along the Normandy and Anjou border, which Geoffrey had taken at the end of 1135. Stephen formed an army to retake it, but the frictions between his Flemish mercenary forces led by William of Ypres and the local Norman barons resulted in a battle between the two halves of his army. The Norman forces then deserted the King, forcing Stephen to give up his campaign. Stephen agreed to another truce with Geoffrey,