Leopold George Christiaan Frederik, King of the Belgians, 1790-1865
Leopold, Prince of Saxe-Coburg and Gotha, 1790-1865
Leopold, Prince of Saxe-Coburg Saalfeld, 1790-1865
Léopold-Georges-Chrétien-Frédéric, King of the Belgians, 1790-1865
Saxe-Coburg and Gotha, Léopold, Prince of, 1790-1865
Saxe-Coburg Saalfeld, Léopold, Prince of, 1790-1865
Notes:
Académie Royale: Biog. nationale (Léopold-Georges-Chrétien-Frédéric de Saxe-Cobourg-Saalfeld)
Enc. Britannica (WWW) (Leopold I, b. Dec. 16, 1790, Coburg, Saxe-Coburg-Saalfeld, d. Dec. 10, 1865, Laeken, Belg.; French in full Léopold-Georges-Chrétien-Frédéric, Dutch in full Leopold George Christiaan Frederik, first king of the Belgian
Memoirs of Her late Royal Highness Charlotte Augusta, Princess of Wales, &c. ... and of her illustrious consort Prince Leopold of Saxe-Coburg Saalfeld, 1819)
NDB (Leopold I, Prinz von Sachsen-Coburg und Gotha, King of the Belgians)