William FitzWilliam (Lord Deputy) William FitzWilliam (Lord Deputy) Sir William FitzWilliam (1526–1599) was an English Lord Justice of Ireland and afterwards Lord Deputy of Ireland. In 1587, as Governor of Fotheringhay Castle, he supervised the execution of the death sentence on Mary, Queen of Scots. He was the Member of Parliament for Peterborough and represented County Carlow in the Irish House of Commons. He lived at Gainspark, Essex, and Milton Hall. FitzWilliam was born at Milton Hall, Northamptonshire, the eldest son of Sir William (d. 1576) and grandson of William Fitzwilliam, Sheriff of London, who had been treasurer and chamberlain to Cardinal Wolsey and
Carbury Castle, County Kildare Carbury Castle, County Kildare Carbury Castle is a castle situated in the townland of Carbury, on the borders of Kildare and Offaly. The area is dominated by the ruins of this great Tudor mansion set atop Carbury Hill, which was also known as Fairy Hill. The motte on the hill was probably built by Meiler FitzHenry who was granted the area by Strongbow. It was acquired by the de Berminghams in the 14th century, before being taken by the native Irish in the 15th century. In 1588 it was granted to the Colley family, ancestors of the Dukes of Wellington,