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
Mitchelstown Castle High Court in 1926, stated that the destruction of Mitchelstown Castle had been an act of wanton destruction which had no military purpose. He awarded £27,500 for the building and the entire £18,000 requested for the contents. Most of this was used to build replacement properties in Dublin as King-Harman decided that the award was too small a sum to rebuild the castle. The stones of Mitchelstown Castle were subsequently sold to the Cistercian monks of Mount Melleray Abbey, County Waterford, who used them to build a new abbey. In the 1940s, Mitchelstown Co-operative Agricultural Society built a milk processing