Saxe-Hildburghausen (of Saxe-Altenburg from 1826) and Duchess Charlotte Georgine of Mecklenburg-Strelitz. Eduard accompanied his nephew Otto to Greece as head of...

Princess Marie of Saxe-Altenburg (Marie Friederike Leopoldine Georgine Auguste Alexandra Elisabeth Therese Josephine Helene Sophie; 2 August 1854 – 8...

von Altenburg (b. 2008) (75) Leopold, Prince von Altenburg (b. 1971), retroactively integrated into the dynasty. (76) Johannes, Prince von Altenburg (b...

Otto, Prince of Bismarck, Count of Bismarck-Schönhausen, Duke of Lauenburg (born Otto Eduard Leopold von Bismarck; 1 April 1815 – 30 July 1898) was a...

December 1949, Otto von Habsburg, as the Head of the House of Habsburg-Lorraine accorded her the hereditary title of "Princess of Altenburg". Their children...

Otto I (1117 – 11 July 1183), called the Redhead (German: der Rotkopf), was Duke of Bavaria from 1180 until his death. He was also called Otto VI as Count...

Otto (Greek: Όθων, romanized: Óthon; German: Otto Friedrich Ludwig von Wittelsbach; 1 June 1815 – 26 July 1867) was King of Greece from the establishment...

Otto (German: Otto Wilhelm Luitpold Adalbert Waldemar; 27 April 1848 – 11 October 1916) was King of Bavaria from 1886 until 1913. However, he never actively...

Ludwig II (Ludwig Otto Friedrich Wilhelm; 25 August 1845 – 13 June 1886), also called the Swan King or the Fairy Tale King (der Märchenkönig), was King...

the German playing card manufacturer Spielkartenfabrik Altenburg, based in the town of Altenburg. The firm is owned by Cartamundi, of Turnhout, Belgium...