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 gave it to his uncle, Jasper Tudor, Duke of Bedford. By the time King Henry VIII of England succeeded to the throne, the castle was the property of the Crown again. In 1535, King Henry VIII and his second wife, Queen Anne Boleyn, visited the castle, which had been empty and unattended for some time. When King Henry VIII died, the castle became the property of his son, King Edward VI of England, who gave it to his uncle, Thomas Seymour, whom he made Baron of Sudeley. In early Spring 1547, Lord Seymour married King Edward's stepmother, the Dowager Queen