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
Mary, Queen of Scots queen emerged from hiding among her skirts—though eye-witness Emanuel Tomascon does not include those details in his "exhaustive report". Items supposedly worn or carried by Mary at her execution are of doubtful provenance; contemporary accounts state that all her clothing, the block, and everything touched by her blood was burnt in the fireplace of the Great Hall to obstruct relic-hunters. When the news of the execution reached Elizabeth, she became indignant and asserted that Davison had disobeyed her instructions not to part with the warrant and that the Privy Council had acted without her authority. Elizabeth's vacillation and deliberately vague