Xenophon Hellenica 3.1.10

[10] And from the outset he was so superior to Thibron in the exercise of command that he led his troops through the country of friends all the way to ¹ the Aeolis, ² in the territory of Pharnabazus, without doing any harm whatever to his allies.
  This Aeolis belonged, indeed, to Pharnabazus, but Zenis of Dardanus had, while he lived, acted as satrap of this territory for him; when Zenis fell ill and died, and Pharnabazus was preparing to give the satrapy to another man, Mania, the wife of Zenis, who was also a Dardanian, fitted out a great retinue, took presents with her to give to Pharnabazus himself and to use for winning the favour of his concubines ³ and the men who had the greatest influence at the court of Pharnabazus, and set forth to visit him. And when she had gained an audience with him, she said: