On 12 November 1826 Ernst III of Saxe-Coburg-Saalfeld became Ernst I Duke of Saxe-Coburg and Gotha, Duke of Jülich "(Juelich)", Cleves and Berg, also Engern and Westphalia, Prince of Lichtenberg, Landgrave in Thuringia, Markgrave of Meißen "(Meissen)", Count of Hennerberg, Count of the Mark and Ravensburg, Lord of Ravenstein and Tonna.