Question: When did Mahfiruz Hatun's husband die?
Sentence (from "Mahfiruz Hatun"): Mahfiruz (from Persian ماه فيروز "Mâh-i firūzGlorious moon", 1590 – by 1607 or 1610) was a Circassian princess, the first consort of Ottoman Sultan Ahmed I (r. 1603–17) , the Sultan's first legal wife and mother of Sultan Osman II (r. 1618–22).
Relevant evidence: Yes