Robert, Archduke of Austria-Este
Robert, Archduke of Austria-Este (given names: Robert Karl Ludwig Maximilian Michael Maria Anton Franz Ferdinand Joseph Otto Hubert Georg Pius Johannes Marcus d'Aviano; 8 February 1915 – 7 February 1996), was the second son of Karl I and Princess Zita of Bourbon-Parma. He was also known as Robert Karl Erzherzog von Österreich.