sentences:  The castle motte is 160 feet (49 m) in diameter and 40 feet (12 m) high, with the bailey approximately 400 feet (122m) by 250 feet (76 m) wide.The castle is unusual in being only of two castles mentioned in the Domesday book on 1086 as a source of income for their owners, due to the presence of a market within the castle, bailey, from which the owner drew revenue; the castle's market competed with the Bishop of Norwich's market at Hoxne.William Malet's son, Robert, was exiled and after his death at the battle of Tinchebrai in 1106, Eye was confiscated by Henry I and became a royal castle for a period.