Question: What is the date of death of Griselda Báthory's husband?
Sentence (from "Jan Zamoyski"): An important advisor to Kings Sigismund II Augustus and Stephen Báthory, he was one of the major opponents of Bathory's successor, Sigismund III Vasa, and one of the most skilled diplomats, politicians and statesmen of his time, standing as a major figure in the politics of the Polish–Lithuanian Commonwealth throughout his life.
Relevant evidence: No