Maurice de Berkeley 1243 and, on 14 December 1243, he had livery of his father's lands. He fought in the war in North Wales and in 1264 he joined the Barons against King Henry III. Berkeley died on 4 April 1281 and was buried in St Augustine's Abbey in Bristol. Maurice de Berkeley Sir Maurice de Berkeley "the Resolute" (1218 - 4 April 1281), 5th (feudal) Baron de Berkeley, was an English soldier and rebel, residing at Berkeley Castle in the English county of Gloucestershire. Maurice was born in 1218 to Thomas de Berkeley and Joan de Somery. He married Isabel FitzRoy, the
Lydford Castle but had little interest in Lydford, preferring Restormel and Lostwithiel; by his death in 1299 the castle had been left to decay and was in ruins. It reverted to the Crown, and when Edward II made his royal favourite, Piers Gaveston, the Earl of Cornwall in 1307, Lydford Castle was passed to him. The castle was repaired at the start of the century and was in use once again as a prison. Edward II and Gaveston fell from power in 1327 and Thomas le Ercedekne was temporarily entrusted with the castle and Dartmoor by the new regime. In 1329 the