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
Sudeley Castle the few castles left in England that is still a residence. As a result, the castle is only open to visitors on specific dates, and private family quarters are closed to the public. It is a Grade I listed building, and recognised as an internationally important structure. A castle may have been built on the site during the reign of King Stephen (1135–1154). In 1442, Ralph Boteler, who was created Baron Sudeley by King Henry VI of England, inherited Sudeley Castle and built the current castle on its present site, using what he had earned fighting in the Hundred Years'