Frederick, Duke of Saxe-Altenburg

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Frederick
Duke of Saxe-Altenburg
Reign	12 November 1826 – 29 September 1834
Predecessor	New Creation (Saxe-Gotha-Altenburg)
Successor	Joseph
Duke of Saxe-Hildburghausen
Reign	23 September 1780 – 12 November 1826
Predecessor	Ernest Frederick III
Successor	Dissolved (swap with Saxe-Meiningen)
Regent	Prince Joseph
Born	(1763-04-29)29 April 1763 Hildburghausen
Died	29 September 1834(1834-09-29) (aged 71) Altenburg
Spouse	Duchess Charlotte Georgine of Mecklenburg-Strelitz ​ ​ (m. 1785; died 1818)​
Issue	Prince Joseph Georg Catherine Charlotte, Princess Paul of Württemberg Princess Caroline Joseph Princess Fredericke Therese, Queen of Bavaria Louise, Duchess of Nassau Prince Franz Frederick Georg Prince Frederick Wilhelm Prince Maximilian Prince Eduard
House	Wettin
Father	Ernest Frederick III, Duke of Saxe-Hildburghausen
Mother	Princess Ernestine of Saxe-Weimar
Religion	Lutheranism

Frederick, Duke of Saxe-Hildburghausen (29 April 1763 in Hildburghausen – 29 September 1834 in Altenburg), was duke of Saxe-Hildburghausen (1780–1826) and duke of Saxe-Altenburg (1826–1834).