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
Berkeley Castle (as they themselues confessed) praied heartilie to God to receiue his soule, when they vnderstood by his crie what the matter ment.Christopher Marlowe's tragedy "Edward II" ("The troublesome raigne and lamentable death of Edward the second, King of England", first published 1594) depicts the murder at Berkeley Castle, using props mentioned in Holinshed, and popular stories of a red hot poker or suffocation continue to circulate. The cell where Edward is supposed to have been imprisoned and murdered can still be seen, along with the adjacent 11 m (36 ft) deep dungeon, which supposedly echoes the events of the murder