Question: What is the date of death of Gisela Of Hungary's husband?
Sentence (from "Stephen I of Hungary"): Stephen I, also known as King Saint Stephen (975 – 15 August 1038 AD), was the last Grand Prince of the Hungarians between 997 and 1000 or 1001, and the first King of Hungary from 1000 or 1001 until his death in 1038.
Relevant evidence: Yes