Question: Who is the paternal grandfather of Stephen Báthory?
Sentence (from "Stephen Báthory"): Stephen Báthory (Lithuanian: ; 27 September 1533 – 12 December 1586) was Voivode of Transylvania (1571–1576), Prince of Transylvania (1576–1586), from 1576 Queen Anna Jagiellon's husband and "jure uxoris" King of Poland and Grand Duke of Lithuania (1576–1586).
Relevant evidence: No