Duke Johann Wilhelm of Saxe-Altenburg

Duke Johann Wilhelm of Saxe-Altenburg (born 13 April 1600 in Torgau; died: 2 December 1632 outside Brzeg) was a member of the Ernestine branch of the House of Wettin and a titular Duke of Saxe-Altenburg and of Jülich-Cleves-Berg.

Duke John William of Saxe-Altenburg
Born	(1600-04-13)13 April 1600 Torgau
Died	2 December 1632(1632-12-02) (aged 32) army camp outside Brzeg
Burial	St. Sophia Church in Dresden
Names Johann Wilhelm of Saxe-Altenburg
House	House of Wettin
Father	Friedrich Wilhelm I, Duke of Saxe-Weimar
Mother	Countess Palatine Anna Maria of Neuburg

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Life

Johann Wilhelm was the second son of Duke Friedrich Wilhelm I of Saxe-Weimar (1562–1602) from his second marriage to Anna Maria (1575–1643), daughter of Philipp Ludwig, Count Palatine of Neuburg.

After the death of his father Johann Wilhelm inherited the Duchy of Saxe-Altenburg jointly with his brothers Johann Philipp, Friedrich and Friedrich Wilhelm II. Initially, the guardianship of the princes was taken up by the Elector of Saxony and their uncle John II. After John II died in 1605, the Elector was their sole guardian.

After the War of the Jülich Succession, the brothers had been invested with Jülich, Cleves and Berg. However, they were only nominally Dukes and took the coat of arms. In 1612, the brothers went to the University of Leipzig to complete their education. In 1618, the eldest brother Johann Philipp came of age and began to rule independently. The younger brothers agreed that he would rule alone, in exchange for a financial compensation. Initially, the agreement was for a limited number of years. In 1624, however, it was extended indefinitely. Johann Wilhelm made his Grand Tour to Italy, Holland, France, England and Hungary together with his brother Frederick William.

In the Thirty Years' War Johann Wilhelm served as a colonel in the Saxon army. In 1632, he died of a fever in an army camp outside Brzeg. He was buried in the St. Sophia Church in Dresden.

References

• E. Pasch. (1881). "Johann Wilhelm (Herzog von Sachsen-Altenburg)". Allgemeine Deutsche Biographie (in German). Vol. 14. Leipzig: Duncker & Humblot. p. 368.