1. Jérôme-Napoléon Bonaparte (born Girolamo Buonaparte; 15 November 1784 – 24 June 1860) was the youngest brother of Napoleon I and reigned as Jerome Napoleon I (formally Hieronymus Napoleon in German), King of Westphalia, between 1807 and 1813.Historian Owen Connelly points to his financial, military, and administrative successes and concludes he was a loyal, useful, and soldierly asset to