Famous Celebrity from Graz Austria Walter Wolf (78 years)Prince Louis of Battenberg (67 years)Infanta Blanca of Spain (81 years)József Somssich (77 years)Archduke Franz Ferdinand (51 years)Archduke Otto of Austria (1865â1906) (41 years)Roman Ungern von Sternberg (35 years)Otto Wanz (80 years)Richard Heuberger (64 years)Andreas Gabalier (39 years)Franz Ferdinand (51 years)