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 and remained lying in state at Berkeley for a month, in the Chapel of St John within the castle keep, before Thomas de Berkeley escorted it to Gloucester Abbey for burial. Thomas was later charged with being an accessory to the murder, but his defence was that it was carried out by the agents of Roger Mortimer while he was away from the castle, and in 1337 he was cleared of all charges. In the 14th century, the Great Hall was given a new roof and it is here the last court jester in England, Dickie Pearce, died after falling