Infante Juan, Count of Barcelona (1913–1993), third surviving son and designated heir of King Alfonso XIII of Spain and Victoria Eugenie of Battenberg
San Juan | William III of England | George III of the United Kingdom | Henry III of England | George III | Edward III of England | Henry III | Edward III | Juan Carlos I of Spain | Charles III of Spain | William III | Loudon Wainwright III | WTA Tier III tournaments | Richard III of England | Benigno Aquino III | Pope Alexander III | Star Wars Episode III: Revenge of the Sith | Henry III of France | Don Juan | Gustav III of Sweden | Shalmaneser III | Santurce, San Juan, Puerto Rico | Juan Gabriel | Alexander III of Russia | Albatros D.III | Juan Perón | Frederick III | Rainier III, Prince of Monaco | Juan Pablo Montoya | Otto III |