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Friedrich I, Duke of Saxe-Gotha-Altenburg

Frederick I
Duke of Saxe-Gotha-Altenburg
Frederick I of Saxe-Gotha-Altenburg.jpg
Duke of Saxe-Gotha-Altenburg
Reign 1675–1691
Predecessor New creation
Successor Frederick II
Born (1646-07-15)15 July 1646
Gotha, Duchy of Saxe-Gotha
Died 2 August 1691(1691-08-02) (aged 45)
Friedrichswerth
Spouse Magdalena Sibylle of Saxe-Weissenfels
Christine of Baden-Durlach
Issue
among others...
Anna Sophie, Princess of Schwarzburg-Rudolstadt
Dorothea Marie, Duchess of Saxe-Meiningen
Frederick II
House House of Saxe-Gotha-Altenburg
Father Ernst I, Duke of Saxe-Coburg-Altenburg
Mother Elisabeth Sophie of Saxe-Altenburg
Religion Lutheranism

Frederick I, Duke of Saxe-Gotha-Altenburg (15 July 1646 Gotha, Duchy of Saxe-Gotha – 2 August 1691 Friedrichswerth), was a duke of Saxe-Gotha-Altenburg. He was the fourth but eldest surviving son of Ernst I, Duke of Saxe-Coburg-Altenburg and Elisabeth Sophie of Saxe-Altenburg.

When Ernst inherited the duchy of Saxe-Altenburg (1672), he made Frederick the regent of that duchy. In 1674 Ernst, who was already ill, made Frederick the regent of his entire lands.

After the death of his father (1675) Frederick assumed the throne of both duchies. However, on the basis of his family's house law, he had to allow his six younger brothers to take part in the government. At first, they agreed to a common household of all seven brothers in the Schloss Friedenstein, though this arrangement endured only until 1676.

Afterwards, negotiations began for the division of the paternal inheritance. This was finally accomplished on 24 February 1680; Frederick kept Gotha, Tenneberg, Wachsenburg, Ichtershausen, Georgenthal, Schwarzwald, Reinhardsbrunn, Volkenrode, Oberkranichfeld, Orlamünde, Altenburg and Tonna. These towns virtually formed the old duchy of Saxe-Gotha-Altenburg. They consisted of three large and coherent areas around Gotha, Kahla and Altenburg, as well as six smaller enclaves.

Frederick continued the work of his father. In order to prevent future disputes between his descendants, he established primogeniture for his house in 1685 (with Imperial assent granted in 1688). Around 1680 he established himself in the Lustschloss Friedrichswerth, near the village of Erffa, approximately 20 km of Gotha, which was renamed in his honour Friedrichswerth.


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