Question: What is the date of death of Agafya Grushetskaya's husband?
Sentence (from "Feodor III of Russia"): Feodor III Alexeyevich (in Russian: "Фёдор III Алексеевич") (9 June 1661 – 7 May 1682) was the Tsar of Russia between 1676 and 1682.
Relevant evidence: Yes