Anabasis

Not all of them came, however, but Ariaeus, Artaozus, and Mithradates, who had been most faithful friends of Cyrus, did come; and the interpreter of the Greeks said that with them he also saw and recognized Tissaphernes’ brother; furthermore, they were followed by other Persians, armed with breastplates, to the number of three hundred.

As soon as this party had come near, they directed whatever Greek general or captain there might be to come forward, in order that they might deliver a message from the King.