Archduke_Rainer_of_Austria_(1895–1930)--Emperor_of_Austria_Charles_I

Archduke Rainer of Austria (German: Rainer, Erzherzog von Österreich-Toskana; 21 November 1895 – 25 May 1930) was a member of the House of Habsburg-Lorraine, a member of the Tuscan branch of the Imperial House of Habsburg, an Archduke of Austria and Prince of Tuscany by birth. He was the eldest son Archduke Leopold Salvator of Austria, Prince of Tuscany. He served as officer in the Austrian army during World War I. At the fall of the Habsburg dynasty, he remained in Vienna and worked for a time as taxi driver. He died unmarried at the age of 34 from blood-poisoning.