Question: What is the date of death of Marie Joséphine Of Savoy's husband?
Sentence (from "Marie Joséphine of Savoy"): She was, in the opinion of Bourbon Royalists Legitimists, regarded as titular 'Queen of France' when her husband assumed the title of King in 1795 upon the death of his nephew, the titular King Louis XVII of France, until her death.
Relevant evidence: No