Maurice de Berkeley 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 daughter of Richard FitzRoy, Baron of Chilham (an illegitimate son of King John of England) and Rose de Douvres, sometime before 12 July 1247. Berkeley fought in the French Wars and was invested as a knight before 1242. He inherited the title of Baron de Berkeley in
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