Question: What is the date of death of Sophia Of Halshany's husband?
Sentence (from "Władysław II Jagiełło"): (c. 1352/1362 – 1 June 1434) was the Grand Duke of Lithuania (1377–1434) and then the King of Poland (1386–1434), first alongside his wife Jadwiga until 1399, and then sole King of Poland.
Relevant evidence: Yes