 But according to Aristotle (in "Politics" 5.1311b), Artabanus killed Darius first and then killed Xerxes.After Artaxerxes discovered the murder, he killed Artabanus and his sons.Artaxerxes had to face a revolt in Egypt in 460–454 BC led by Inaros II, who was the son of a Libyan prince named Psamtik, presumably descended from the Twenty-sixth Dynasty of Egypt.