Archduke Franz Ferdinand of Austria themselves after him. Archduke Franz Ferdinand of Austria Archduke Franz Ferdinand, Archduke of Austria-Este (Franz Ferdinand Carl Ludwig Joseph Maria; 18 December 1863 – 28 June 1914) was a member of the imperial Habsburg dynasty, and from 1896 until his death the heir presumptive ("Thronfolger") to the Austro-Hungarian throne. His assassination in Sarajevo precipitated Austria-Hungary's declaration of war against Serbia, which in turn triggered a series of events that resulted in Austria-Hungary's allies and Serbia's declaring war on each other, starting World War I. Franz Ferdinand was born in Graz, Austria, the eldest son of Archduke Karl Ludwig of Austria
Archduke Franz Josef of Austria, Prince of Tuscany 1958, Archduke Franz Josef inherited the Carlist pretensions to the Spanish throne from them as a nephew of Jaime, Duke of Madrid. He assumed the title of Duke of Madrid and was involved in the Carlist movement, as Francisco I, from 1956 until his death. He died on 9 May 1975 at Hernstein, Austria. Archduke Franz Josef of Austria, Prince of Tuscany Archduke Franz Josef of Austria- Tuscany (born in Vienna 4 February 1905 - died Hernstein, Austria 9 May 1975) was the fourth son of Archduke Leopold Salvator, Prince of Tuscany and Infanta Blanca of Spain. At the fall