After the Norman conquest of England in 1066 Deddington was owned by Odo, Bishop of Bayeux, who was William the Conqueror's step-brother and built Deddington Castle in what is now the east of the town.
Deddington was owned by Odo, Bishop of Bayeux. This was after the Norman conquest of England in 1066. Deddington was built Deddington Castle in what is now the east of the town. This was after the Norman conquest of England in 1066. Odo, Bishop of Bayeux was William the Conqueror's step-brother.