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
Berkhamsted Castle the growing wool trade. Richard died at the castle in 1272, and it passed to his son Edmund. The castle passed on through Edward I, who found the castle in an apparently poor condition, and his second wife, Margaret, to Edward II. Edward II gave it to his royal favourite, Piers Gaveston, whom he made Earl of Cornwall. Gaveston was married there in 1307, with Edward in attendance. Edward II and Gaveston fell from power in 1327 and John, Edward's second son, took possession as the new Earl of Cornwall. When John died, Edward III reclaimed Berkhamsted Castle; a survey