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
Frederick Augustus Berkeley, 5th Earl of Berkeley Berkeley Castle upon their eldest son, William Fitz Hardinge Berkeley, but William’s attempt to assume his father’s honours were disallowed by the House of Lords. It appears that Berkeley’s titles devolved as a matter of law upon his fifth son, Thomas Morton Fitzhardinge Berkeley (1796-1882), but were never used by him. Frederick Augustus Berkeley, 5th Earl of Berkeley Frederick Augustus Berkeley, 5th Earl of Berkeley (1745–1810) was a British nobleman. Berkeley was the eldest son and heir of Augustus Berkeley, 4th Earl of Berkeley by Elizabeth, daughter of Henry Drax, of Ellerton Abbey, Yorkshire. He succeeded his father in the