Archduke Ferdinand Karl of Austria Archduke Ferdinand Karl of Austria Archduke Ferdinand Karl of Austria, later known as Ferdinand Burg (Ferdinand Carl Ludwig Joseph Johann Maria; Vienna, 27 December 1868 – Munich, 12 March 1915) He was the third son of Archduke Charles Louis of Austria and Princess Maria Annunciata of Bourbon-Two Sicilies. Archduke Franz Ferdinand, whose assassination at Sarajevo on 28 June 1914 launched World War I, was his elder brother. He was a major-general in the Austrian Army. Like his brother, in 1909 he concluded an unequal marriage with Bertha Czuber (1879–1979), daughter of Emanuel Czuber. Unlike his brother, he did so without
Archduke Albrecht Franz, Duke of Teschen Archduke Albrecht Franz, Duke of Teschen Albert Franz Josef Karl Friedrich Georg Hubert Maria, Archduke of Austria, Prince Royal of Hungary and Bohemia, Duke of Teschen (In German: "Erzherzog Albrecht Franz Josef Karl Friedrich Georg Hubert Maria von Österreich, Herzog von Teschen") – (24 July 1897 – 23 July 1955) was a member of the House of Habsburg and titular pretender to the Duchy of Teschen. Archduke Albrecht Franz was born in Vienna, Austria-Hungary, only son of Archduke Friedrich, Duke of Teschen (1856–1936, son of Archduke Karl Ferdinand of Austria and Archduchess Elisabeth Franziska of Austria) and his wife, Princess