He did eventually leave his wife in Greece and reunite with Cleopatra in Egypt ; he and Cleopatra later had a third child , Ptolemy Philadelphus ( who does not appear in the series ) .
Head entity: cleopatra Q635 11 17
Tail entity: ptolemy philadelphus Q350246 24 25
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40