Cleopatra made her son co-ruler in name.
Cleopatra VII Philopator ( Κλεοπάτρα Φιλοπάτωρ 69 -- August 12 , 30 BC ) , known to history simply as Cleopatra , was the last active ruler of Ptolemaic Egypt , briefly survived as pharaoh by her son Caesarion . She later elevated Caesarion , her son with Caesar , to co-ruler in name .