Archduke Franz Josef of Austria, Prince of Tuscany

Archduke Franz Josef of Austria–Tuscany (German: Franz Josef Karl Leopold Blanka Adelgunde Ignatius Raphael Michael von Habsburg-Lothringen, Erzherzog von Österreich, Prinz von Toskana; 4 February 1905 – 9 May 1975) was the fourth son of Archduke Leopold Salvator of Austria, Prince of Tuscany and Princess Blanca of Bourbon. At the fall of Habsburg monarchy he moved to Barcelona, where he became a naturalized Spanish citizen.

Source: Wikipedia — Archduke Franz Josef of Austria, Prince of Tuscany (CC BY-SA 4.0)