Friedrich Wilhelm III, Duke of Saxe-Altenburg

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Friedrich Wilhelm II
Frederick Wilhelm III Saxe-Altenburg.jpg
Duke of Saxe-Altenburg
Reign 1669–1672
Predecessor Friedrich Wilhelm II
Successor Ernst I
House House of Saxe-Altenburg
Father Friedrich Wilhelm II, Duke of Saxe-Altenburg
Mother Magdalene Sibylle of Saxony
Born (1657-07-12)12 July 1657
Altenburg
Died 14 April 1672(1672-04-14) (aged 14)
Altenburg
Religion Lutheranism

Friedrich Wilhelm III (b. Altenburg, 12 July 1657 – d. Altenburg, 14 April 1672), was a duke of Saxe-Altenburg.

He was the second son of Friedrich Wilhelm II, Duke of Saxe-Altenburg and Magdalene Sybille of Saxony, his second wife.

The death of his older brother Christian (1663) made him the new heir of the duchy of Saxe-Altenburg. When his father died in 1669, Friedrich Wilhelm III succeeded him; but, because he was only twelve years old, his maternal uncles, the Elector Johann Georg II of Saxony and the duke Maurice of Saxe-Zeitz, assumed the guardianship of the new duke and the regency of the duchy.

Only three years later, the young duke died of smallpox. With his death, the branch of Saxe-Altenburg became extinct.

The duchy of Saxe-Altenburg was split between the branches of Saxe-Gotha and Saxe-Weimar; but, on the basis of the will of the duke Johann Philipp of Saxe-Altenburg (Friedrich Wilhelm III's uncle) the greater part of the duchy was retained by Saxe-Gotha, because they were the descendants of Elisabeth Sophie, the only daughter of Johann Philipp, who declared her the general heiress of the family in case of the extinction of the male line.


Ancestors[edit]

Friedrich Wilhelm III, Duke of Saxe-Altenburg
Born: 12 July 1657 Died: 14 April 1672
Preceded by
Friedrich Wilhelm II
Duke of Saxe-Altenburg
1669–1672
Succeeded by
Ernst I