Stephen, King of England supporting the rebels in their campaign against the royal army, which included a number of Matilda's supporters such as Robert of Gloucester. Many of these barons had taken an oath to stay in Normandy until the late king was properly buried, which prevented them from returning to England. Stephen's elder brother Theobald was further south still, in Blois. Stephen, however, was in Boulogne, and when news reached him of Henry's death he left for England, accompanied by his military household. Robert of Gloucester had garrisoned the ports of Dover and Canterbury and some accounts suggest that they refused Stephen access
Stephen, King of England with fresh troops from London. In the subsequent battle the Empress's forces were defeated and Robert of Gloucester himself was taken prisoner. Further negotiations attempted to deliver a general peace agreement but Queen Matilda was unwilling to offer any compromise to the Empress, and Robert refused to accept any offer to encourage him to change sides to Stephen. Instead, in November the two sides simply exchanged Robert and the King, with Stephen releasing Robert on 1 November 1141. Stephen began re-establishing his authority. Henry held another church council, which this time reaffirmed Stephen's legitimacy to rule, and a fresh coronation