10. This King Not Only Did In His Nephew-Stepson, But Also Dumped His Sister-Wife to Marry Her Daughter
Understandably, Cleopatra II was steaming mad that her husband-brother, Ptolemy Potbelly, had murdered her unfortunate son and reneged on his promise to share the rule of Egypt with her. Then Ptolemy Potbelly made things worse by seducing and marrying Cleopatra II’s daughter, Cleopatra III. She was his stepdaughter, as well as double niece, being the daughter of both his sister Cleopatra II and his deceased brother, Ptolemy VI. Adding insult to injury, Potbelly did not bother to divorce Cleopatra II, before marrying her daughter.
Cleopatra II retaliated by engineering an uprising that forced her brother/ husband/ son-in-law, and his stepdaughter/ niece/ wife, to flee Alexandria in 132 BC. The resultant civil war pitted Cleopatra II, supported by the city of Alexandria, against her daughter and Ptolemy Potbelly, who had the backing of the rest of Egypt. When things turned against Cleopatra II, she offered her throne to the neighboring Seleucids, but their armies were unable to rescue her, and she was forced to flee to Syria in 127 BC. Chaos reigned in Egypt until Rome intervened once again, in 116 BC, to restore order.