the House of Wettin and a Duke of Saxe-Altenburg and Duke of Jülich-Cleves-Berg. Friedrich is sometimes called "Friedrich the younger" to distinguish...

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

Frederick II, Duke of Saxe-Gotha-Altenburg (28 July 1676 – 23 March 1732), was a duke of Saxe-Gotha-Altenburg. He was born in Gotha, the fifth child and...

Joseph (Joseph Georg Friedrich Ernst Karl; 27 August 1789 – 25 November 1868) was Duke of Saxe-Altenburg from 1834 to 1848. Joseph was the second but...

was a duke of Saxe-Gotha and Saxe-Altenburg. The duchies were later merged into Saxe-Gotha-Altenburg. He was the ninth but sixth surviving son of Johann...

Saxe-Altenburg (German: Sachsen-Altenburg) was one of the Saxon duchies held by the Ernestine branch of the House of Wettin in present-day Thuringia. It...

Hummelshain) was a duke of Saxe-Altenburg. He was the fourth but second surviving son of Frederick, Duke of Saxe-Hildburghausen (of Saxe-Altenburg from 1826)...

Frederick I, Duke of Saxe-Gotha-Altenburg (15 July 1646 – 2 August 1691), was a duke of Saxe-Gotha-Altenburg. He was born in Gotha, the fourth but eldest...

III, Duke of Saxe-Gotha-Altenburg (14 April 1699 – 10 March 1772), was a duke of Saxe-Gotha-Altenburg. He was born in Gotha, the eldest son of Frederick...

was a duke of Saxe-Altenburg. He was born in Torgau, the eldest (but fourth in order of birth) surviving son of Friedrich Wilhelm I, Duke of Saxe-Weimar...

Ernst I, Duke of Saxe-Altenburg (German: Ernst I. Friedrich Paul Georg Nikolaus von Sachsen-Altenburg) (16 September 1826 in Hildburghausen – 7 February...

Friedrich Wilhelm II (12 February 1603, in Weimar – 22 April 1669, in Altenburg), was a duke of Saxe-Altenburg. He was the youngest son of Friedrich Wilhelm...

Frederick IV, Duke of Saxe-Gotha-Altenburg (Gotha, 28 November 1774 – Gotha, 11 February 1825), was the last duke of Saxe-Gotha-Altenburg. He was the third...

father of Ernst II, Duke of Saxe-Altenburg. He was the third but second surviving son of Georg, Duke of Saxe-Altenburg and Duchess Marie Louise of Mecklenburg-Schwerin...

Magdalene Sibylle of Prussia. On 14 November 1669, she married Duke Friedrich I of Saxe-Gotha-Altenburg. They had the following children: Anna Sophie (b. Gotha...

Ernst II (31 August 1871 in Altenburg – 22 March 1955 in Trockenborn-Wolfersdorf) was the last reigning duke of Saxe-Altenburg and a German general active...

Friedrich Wilhelm I (25 April 1562 in Weimar – 7 July 1602 in Weimar) was a duke of Saxe-Weimar. He was the eldest son of Johann Wilhelm, Duke of Saxe-Weimar...

Princess Antoinette of Saxe-Altenburg (17 April 1838 – 13 October 1908) was a princess of Saxe-Altenburg by birth and Duchess of Anhalt by marriage. Antoinette...

Saxe-Hildburghausen (of Saxe-Altenburg from 1826). He was the seventh but fourth surviving son of Frederick, Duke of Saxe-Hildburghausen (of Saxe-Altenburg from 1826) and...

The Saxe-Ernestine House Order (German: Sachsen-Ernestinischer Hausorden) was an order of merit instituted by Duke Friedrich of Saxe-Altenburg, Duke Ernst...

Saxe-Altenburg and Princess Augusta of Saxe-Meiningen, and the sister of Ernest II, Duke of Saxe-Altenburg, Marie Anne was a member of the Ducal House of Saxe-Altenburg...

Louise of Saxe-Gotha-Altenburg (German: Luise, Prinzessin von Sachsen-Gotha-Altenburg; 9 March 1756 – 1 January 1808) was Duchess consort of Mecklenburg-Schwerin...

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...

Charlotte of Saxe-Hildburghausen (17 June 1787 Hildburghausen – 12 December 1847 Bamberg) was the child of Frederick, Duke of Saxe-Altenburg and his wife...

Alexandrine of Saxe-Altenburg (26 March 1826 – 2 February 1896) was a daughter of Joseph, Duke of Saxe-Altenburg and his wife Duchess Amelia of Württemberg...

Albert of Saxe-Altenburg (Albert Heinrich Joseph Carl Viktor Georg Friedrich; Munich, 14 April 1843 – Serrahn, 22 May 1902) was a German prince of the ducal...

Marie of Saxe-Gotha-Altenburg (22 January 1674 – 18 April 1713) was Duchess of Saxe-Meiningen as the first wife of Ernst Ludwig I, Duke of Saxe-Meiningen...

of the Russian Tsar. Ernest married Princess Louise of Saxe-Gotha-Altenburg in Gotha on 31 July 1817. They had two children: Ernest II, Duke of Saxe-Coburg...

March 1573) was a duke of Saxe-Weimar. He was the second son of Johann Frederick I, Elector of Saxony, and Sibylle of Cleves. At the time of his birth, his...

the wife of Prince Albert of Prussia, Regent for the duchy of Brunswick. Marie was the only surviving child of Ernst I, Duke of Saxe-Altenburg and his...