Question: What is the date of death of Princess Maria Immaculata Of Bourbon-Two Sicilies (1844–1899)'s husband?
Sentence (from "Leopold, Prince of Salerno"): Leopoldo Giovanni Giuseppe Michele of Bourbon- Two Sicilies, Prince of Salerno( 2 July 1790, Naples, Kingdom of Naples – 10 March 1851, Naples, Kingdom of the Two Sicilies) was a member of the House of Bourbon- Two Sicilies and a Prince of Bourbon- Two Sicilies.
Relevant evidence: No