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
Castle Hill, Mere the hill. At the same time the village was expanded into a planned town with an unofficial market. The castle was renovated in 1300, possibly in response to the threat of rebellion in England at the time. Richard's son Edmund inherited the property, but on his death it was taken back by the Crown. Edward II gave it to his royal favourite, Piers Gaveston, whom he made Earl of Cornwall. Edward II and Gaveston fell from power in 1327 and John, Edward's second son, took possession as the new Earl of Cornwall. Edward III then reacquired the castle, which became