Question: When is Maria Carolina Zamoyska's husband's birthday?
Sentence (from "Maria Carolina Zamoyska"): (22 September 1896 in Kraków, Austria-Hungary – 9 May 1968 in Marseille, France) was the wife of Prince Ranieri, Duke of Castro, claimant to the headship of the House of Bourbon-Two Sicilies.
Relevant evidence: Yes