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
Dysart Castle Dysart Castle Dysart Castle is a castle ruins and property just outside Thomastown in County Kilkenny, Ireland. It is best known as the childhood home of George Berkeley, the Irish philosopher for whom Berkeley, California and the Trinity College Dublin Berkeley Library is named. The property is currently privately owned and the castle in urgent need of restoration. Located south of Thomastown, the site has held a medieval church, the castle, and other buildings. The castle and church property are situated low along the sharp curve of the River Nore. The church was originally adjoined to the castle but the