Francis, Duke of Saxe-Coburg-Saalfeld

Francis, Duke of Saxe-Coburg-Saalfeld, was a reigning Duke of Saxe-Coburg-Saalfeld, one of the ruling Thuringian dukes of the House of Wettin. As progenitor of a line of Coburg princes who, in the 19th and 20th centuries, ascended the thrones of several European realms, he is a patrilineal ancestor of the royal houses of Belgium and Bulgaria, as well as of several queens consort and the empress consort of Mexico in the 1860s.