Caesarion spent two of his infant years , from 46 to 44 BC , in Rome , where he and his mother were Caesar 's guests at his villa , Horti Caesaris . Cleopatra hoped that her son would eventually succeed his father as the head of the Roman Republic , as well as of Egypt . After Caesar 's assassination on 15 March 44 BC , Cleopatra and Caesarion returned to Egypt . Caesarion was named co-ruler by his mother on 2 September 44 BC at the age of three , although he was pharaoh in name only , with Cleopatra keeping actual authority . Cleopatra compared her relationship to her son with that of the Egyptian goddess Isis and her divine child Horus
Caesar 's assassination
Assassination of Julius Caesar
Caesarion