7. So when Xerxes had been persuaded to make an expedition against Hellas, then in the next year after the death of Darius he made a march first against those who had revolted. Having subdued these and having reduced all Egypt to slavery much greater than it had suffered in the reign of Darius, he entrusted the government of it to Achaimenes his own brother, a son of Darius. Now this Achaimenes being a governor of Egypt was slain afterwards by Inaros the son of Psammetichos, a Libyan. 8.