Antiochus IX Cyzicenus
…Antiochus VII and Cleopatra Thea. He left the kingdom in 129 BC and went to the city of Cyzicus, but he returned in 116 BC to challenge his half-brother Antiochus VIII for power. The siblings fought a twenty-year civil war. In 112 BC, Antiochus IX's wife, Cleopatra IV, was killed by her sister Tryphaena, the wife of…