William III of England | George III of the United Kingdom | Henry III of England | George III | Edward III of England | Henry III | Edward III | 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 | Gustav III of Sweden | Shalmaneser III | Alexander III of Russia | Albatros D.III | Frederick III | Rainier III, Prince of Monaco | Otto III | Iberia | Frederick William III of Prussia | Victor Emmanuel III of Italy | III | Frederick III, German Emperor | Wade Hampton III | Philip III of Spain |
Appearing in the late 5th century, in the reign of King Vakhtang I of Iberia (c. 447-522), they figure in the eighth as dukes of Inner Iberia and twice attained, in the persons of Adarnase III and his son Nerse, to the office of Presiding Prince (erismtavari) of Iberia between c.