Marshal of France and Grand Admiral or Admiral of France Joachim-Napoléon Murat (French pronunciation: ​[ʒoakim napoleɔ̃ myʁa] (born Joachim Murat; Italian: Gioacchino Napoleone Murat; 25 March 1767 – 13 October 1815) 1st Prince Murat, was Grand Duke of Berg from 1806 to 1808 and then King of Naples from 1808 to 1815. He received his titles in part by being the brother-in-law of Napoleon Bonaparte, through marriage to Napoleon's youngest sister, Caroline Bonaparte.