The uncle of Slobodan Princip assassinated what Austrian leader?
Slobodan Princip Slobodan Princip (; 25 May 1914–May 1942), nicknamed Seljo (Сељо), was a Yugoslav Partisan fighter and the district staff chief of Partisan Sarajevo Oblast during World War II. He was posthumously awarded the Hero of Yugoslavia. He was the nephew of Gavrilo Princip.
Sigismund Francis, Archduke of Austria Sigismund Francis, Archduke of Further Austria (27 November 1630 – 25 June 1665) was the ruler of Further Austria including Tyrol from 1662 to 1665.