Earl of Salisbury children: to his son Edward in 1485 until his execution for treason in 1499, and to Edward's sister, Margaret Pole, Countess of Salisbury, in 1513 until she was also executed, and the title again forfeited, in 1539. In 1605 the title was given to Robert Cecil, 1st Earl of Salisbury, a close advisor to James I. Cecil was a son of Queen Elizabeth I's chief advisor, William Cecil, 1st Baron Burghley. For information on this creation, see the Marquess of Salisbury. Some sources call Edward Plantagenet, 17th Earl of Warwick (1475–1499) also Earl of Salisbury, but "there is no reason
Gerald FitzGerald, 5th Earl of Kildare him the title should have passed to his brother John, de jure 6th Earl, although his son-in-law, the Earl of Ormonde, also claimed the title in right of his wife, Elizabeth. The dispute was finlly resolved in favour of John's son Thomas FitzGerald, 7th Earl of Kildare. Gerald FitzGerald, 5th Earl of Kildare Gerald FitzMaurice FitzGerald, 5th Earl of Kildare (d. before 24 June 1428) was an Irish peer. Kildare was the son of Maurice FitzGerald, 4th Earl of Kildare and Elizabeth Burghersh. Kildare served as Justiciar of Ireland in 1405. In 1407 he defeated the O'Carrol clan at Kilkenny.