Gerald FitzGerald, 11th Earl of Kildare Gerald FitzGerald, 11th Earl of Kildare Gerald FitzGerald, 11th Earl of Kildare (1525 – 16 November 1585), also known as the "Wizard Earl" (a sobriquet also given to Henry Percy, 9th Earl of Northumberland), was an Irish peer. He was the son of Gerald FitzGerald, 9th Earl of Kildare and his second wife Elizabeth Grey, Countess of Kildare. FitzGerald became the sole male representative of the Kildare Geraldines at the age of twelve, after his half-brother, Silken Thomas, the tenth earl, was executed at Tyburn in 1537 with five of his uncles. He spent the next few years on the
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.