contemporary churchmen were themselves not above engaging in such politics: it is reported that, when Archbishop Lanfranc suggested to William I that he imprison the rebellious bishop Odo of Bayeux, he exclaimed "What! He is a clergyman." Lanfranc retorted that "You will not seize the bishop of Bayeux, but confine the earl of Kent." (Odo held both titles.) While there are complaints of contemporaries regarding William's personal behaviour, he was instrumental in assisting the foundation of Bermondsey Abbey, endowing it with the manor of Bermondsey, and it is reported that his "customary oath" was "By the Face at Lucca!" War and rebellion William Rufus inherited the Anglo-Norman settlement detailed in the Domesday Book of 1086, a survey undertaken at his father's command, essentially for the purposes of taxation, which was an example of the control of the English monarchy. If he was less effective than his father in containing the Norman lords' propensity for rebellion and violence, through charisma or political skills, he was forceful in overcoming the consequences. In 1095, Robert de Mowbray, the earl of Northumbria, refused to attend the Curia Regis, the thrice-annual court where the King announced his governmental decisions to the great lords. William led an army against Robert and defeated him. Robert was dispossessed and imprisoned, and another noble, William of Eu, accused of treachery, was blinded and castrated. In external affairs, William had some successes. In 1091 he repulsed an invasion by King Malcolm III of Scotland, forcing Malcolm to pay homage. In 1092 he built Carlisle Castle, taking control of Cumberland and Westmorland, which had previously been claimed by the Scots. Subsequently, the two kings quarrelled over Malcolm's possessions in England, and Malcolm again invaded, ravaging Northumbria. At the Battle of Alnwick, on 13 November 1093, Malcolm was ambushed by Norman forces led by Robert de Mowbray. Malcolm and his son Edward were killed and Malcolm's brother Donald seized the throne. William supported Malcolm's son Duncan II, who held power for a short time, and then another of Malcolm's sons, Edgar. Edgar conquered Lothian in 1094 and eventually removed Donald in 1097 with William's aid in a campaign led by Edgar Ætheling. The new king recognised William's authority over Lothian and attended William's court. William made two forays into Wales in 1097. Nothing decisive was achieved, but a series of castles was constructed as a marchland defensive barrier. In 1096, William's brother