Cleopatra IV (Ancient Greek: Κλεοπάτρα) was Queen of Egypt briefly from 116 to 115 BC, as first wife of Ptolemy IX Lathyros.
She later became queen consort of the Seleucid king of Syria as the wife of Antiochus IX Cyzicenus.
[4] Cleopatra IV was posthumously added to the list of deified Ptolemies as the Thea Philadelphos (= "brother-loving goddess").
[5] After her forced divorce, Cleopatra IV fled Egypt and went to Cyprus, where she married Antiochus IX Cyzicenus and brought him the army of his half brother Seleucid King Antiochus VIII Grypus of Syria, which she had convinced to follow her.
[2][6] In his comprehensive website about Ptolemaic genealogy, Christopher Bennett also notes the possibility that Cleopatra IV, from her brief marriage to Antiochus IX Cyzicenus, may have been the mother of the later Seleucid monarch, Antiochus X Eusebes ("the Pious").