Franz Joseph I of Austria of his only son and heir, Crown Prince Rudolf, in 1889, and the assassination of his wife, Empress Elisabeth, in 1898. After the Austro-Prussian War, Austria-Hungary turned its attention to the Balkans, which was a hotspot of international tension because of conflicting interests with the Russian Empire. The Bosnian Crisis was a result of Franz Joseph's annexation of Bosnia and Herzegovina in 1908, which had been occupied by his troops since the Congress of Berlin (1878). On 28 June 1914, the assassination of his nephew, Archduke Franz Ferdinand, in Sarajevo resulted in Austria-Hungary's declaration of war against the Kingdom of
Ferdinand II, Archduke of Austria Anna Juliana) became Holy Roman Empress Anna, consort of Emperor Mathias, who received his Further Austrian inheritance. He and his first wife Philippine Welser were parents of four children: On 14 May 1582, Ferdinand married his niece Anne Catherine. She was a daughter of William I, Duke of Mantua, and Eleonora of Austria, younger sister of Ferdinand. They were parents to three daughters: He had at least two illegitimate children: –With Anna von Obrizon: –With Johanna Lydl von Mayenburg: Ferdinand II, Archduke of Austria Ferdinand II, Archduke of Further Austria (Linz, 14 June 1529 – 24 January 1595, Innsbruck) was