Henry I of England and Matilda were in Anjou 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. The Norman nobility discussed declaring Theobald of Blois king. Theobald's younger brother, Stephen of Blois, quickly crossed from Boulogne to England, however, accompanied by his military household. With the help of his brother, Henry of Blois, he seized power in England and was crowned king on 22
Norman conquest of England At the same time resistance flared up again in western Mercia, where the forces of Eadric the Wild, together with his Welsh allies and further rebel forces from Cheshire and Shropshire, attacked the castle at Shrewsbury. In the south-west, rebels from Devon and Cornwall attacked the Norman garrison at Exeter but were repulsed by the defenders and scattered by a Norman relief force under Count Brian. Other rebels from Dorset, Somerset and neighbouring areas besieged Montacute Castle but were defeated by a Norman army gathered from London, Winchester and Salisbury under Geoffrey of Coutances. Meanwhile, William attacked the Danes, who