Ernest I, Duke of Saxe Coburg and Gotha
Ernest I, Duke of SaxeCoburg and Gotha , was the last sovereign duke of SaxeCoburgSaalfeld and, from 1826, the first sovereign duke of SaxeCoburg and Gotha . He was the father of Albert, Prince Consort of Queen Victoria and is thus a patrilineal ancestor and greatgreatgreatgrandfather of Queen Elizabeth II. Ernest fought against Napoleon Bonaparte and through construction projects and the establishment of a court theatre left a strong imprint on his residence town, Coburg.
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Source: Wikipedia