Question: When did Countess Anna Of Nassau's father die?
Sentence (from "William the Silent"): William I, Prince of Orange (24 April 1533 – 10 July 1584), also known as William the Silent or William the Taciturn (translated from), or more commonly known as William of Orange , was the main leader of the Dutch Revolt against the Spanish Habsburgs that set off the Eighty Years' War (1568–1648) and resulted in the formal independence of the United Provinces in 1581.
Relevant evidence: Yes