Question: The Governor-General of the United Provinces during the Seige of Sluis died during which time frame?
Sentence (from "Siege of Sluis (1587)"): On 12 June 1587, Don Alexander Farnese, Duke of Parma "(Spanish: Alejandro Farnesio)", Governor-General of the Spanish Netherlands, and commander-in-chief of the Army of Flanders, laid siege to the strategic deep-water port of Sluis, defended by English and Dutch troops under Sir Robert Dudley, Earl of Leicester, Governor-General of the United Provinces, and Sir Roger Williams.
Relevant evidence: Yes