In 33 BC , she was engaged to her distant relative , the Ptolemaic Prince Alexander Helios , son of Greek Ptolemaic Queen Cleopatra VII of Egypt and Roman Triumvir Mark Antony .
Head entity: alexander helios Q351538 15 16
Tail entity: mark antony Q51673 30 31
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22