Question: When did Nino, Princess Of Mingrelia's husband die?
Sentence (from "Nino, Princess of Mingrelia"): Nino (15 April 1772 – 30 May 1847) was a Georgian princess royal ("batonishvili") as a daughter of King George XII of Georgia and princess consort of Mingrelia as the wife of Grigol Dadiani, Sovereign Prince of Mingrelia.
Relevant evidence: Yes