Question: When was Princess Maria Anna Of Saxony (1799–1832)'s husband born?
Answer: 3 October 1797

She became Grand Duchess of Tuscany by her marriage to Leopold II, Grand Duke of Tuscany. Leopold II (English: "Leopold John Joseph Francis Ferdinand Charles"; 3 October 1797 – 29 January 1870) was Grand Duke of Tuscany (1824–1859). He married twice; first to Maria Anna of Saxony, and after her death in 1832, to Maria Antonia of the Two-Sicilies