Question: When is Archduchess Maria Isabella Of Austria's husband's birthday?
Sentence (from "Archduchess Maria Isabella of Austria"): Archduchess Maria Isabella of Austria, Princess of Tuscany (21 May 1834 – 14 July 1901), was an Archduchess of Austria and Princess of Tuscany by birth and Countess of Trapani by marriage to her uncle Prince Francis, Count of Trapani.
Relevant evidence: Yes