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
Dudley Castle Somery, died in 1321. It is thought that the fortifications were complete by this date. The castle and estates passed to John Somery's sister Margaret and her husband John de Sutton. Subsequently, members of this family often used Dudley as a surname. John and Margaret were only in possession of the castle for a few years before the property was seized by the younger Hugh Despenser, a favourite of King Edward II. Despenser owned the castle from 1325-1326, being dispossessed when the king fell from power. The castle was returned to John and Margaret in 1327. It was probably during