Caesarion ( Ptolemy XV Philopator Philometor Caesar ) was the last king of the Ptolemaic dynasty of Egypt , he reigned jointly with his mother Cleopatra VII of Egypt , from September 2 , 47 BC .
Caesarion ( Ptolemy XV Philopator Philometor Caesar ) was the last king of the Ptolemaic dynasty of Egypt . He reigned jointly with his mother Cleopatra VII of Egypt , from September 2 , 47 BC .