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
History of the foreign relations of the United Kingdom England promised to end support for raids on Spanish shipping by English privateers such as Francis Drake and John Hawkins. It was finalized in the Convention of Bristol in August, 1574 in which both sides paid for what they had seized. Trade resumed between England and Spain and relations improved. The Anglo-Spanish War (1585–1604) arose largely from religious differences; the execution of Catholic Mary, Queen of Scots in 1587 outraged Spain. War was never formally declared. Spain was militarily and financially much more powerful, and promoted a Catholic interest in opposition to England's Protestantism. The conflict saw widely separated battles,