Question: When did Maria Anna Of Savoy, Duchess Of Chablais's husband die?
Sentence (from "Maria Anna of Savoy, Duchess of Chablais"): Maria Anna of Savoy ("Maria Anna Carolina Gabriella"; 17 December 1757 – 11 October 1824) was a Princess of Savoy by birth and Duchess of Chablais by her marriage to her uncle, Prince Benedetto, Duke of Chablais.
Relevant evidence: Yes