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
Edward II of England move was highly unpopular. Isabella and Mortimer both amassed, and spent, great wealth, and criticism of them mounted. Relations between Mortimer and the young Edward III became strained and in 1330 the King conducted a "coup d'état" at Nottingham Castle. He arrested Mortimer and then executed him on fourteen charges of treason, including the murder of Edward II. Edward III's government sought to blame Mortimer for all of the recent problems, effectively politically rehabilitating the late King. The King spared Isabella, giving her a generous allowance, and she soon returned to public life. Edward's body was embalmed at Berkeley Castle,