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
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