William de Berkeley, 1st Marquess of Berkeley William de Berkeley, 1st Marquess of Berkeley William de Berkeley, 1st Marquess of Berkeley (1426 – 14 February 1492) was an English peer, given the epithet "The Waste-All" by the family biographer and steward John Smyth of Nibley. He was buried at "St. Augustine's Friars, London" according to one source, but most likely in the Berkeley family foundation of St Augustine's Abbey, Bristol. William of Berkley was born to James Berkeley, 1st Baron Berkeley, and Lady Isabel Mowbray at Berkeley Castle in Berkeley, Gloucestershire, in 1426. His first marriage was in 1466 to Elizabeth West, daughter of Reginald West, 6th
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