Researching the connection between a painting portraying the Roman emperor Domitian and Leonardo da Vinci. Roman emperor Domitian Oil painting Leonardo da Vinci Titian, Tizian, Tiziano Vecellio, Roman emperors, Eleven Caesars, Undici Cesari, Domitianus, Isabella d’Este, Federico II Gonzaga, Mantova, Mantua, Italy, Francis I, Amboise France, Charles I England.