It must have been in the hour of that disaster, or but little before, that a Mermnad prince of Sardes, called Guggu by Assyrians and Gyges by Greeks, threw off any allegiance he may have owed to Phrygia and began to exalt his house and land of Lydia. He was the founder of a new dynasty, having been by origin, apparently, a noble of the court who came to be elevated to the throne by events differently related but involving in all the accounts some intrigue with his predecessor's queen. One historian, who says that he prevailed by the aid of Carians, probably states a fact; for it was this same Gyges who a few years later seems to have introduced Carian mercenaries to the notice of Psammetichus of Egypt. Having met and repulsed the Cimmerian horde without the aid of Ashurbanipal of Assyria, to whom he had applied in vain, Gyges allied himself with the Egyptian rebel who had just founded the Saite dynasty, and proceeded to enlarge his boundaries by attacking the prosperous Greeks on his western hand. But he was successful only against Colophon and Magnesia on the Maeander, inland places, and failed before Smyrna and Miletus, which could be provisioned by their fleets and probably had at their call a larger proportion of those warlike "Ionian pirates" who had long been harrying the Levant. In the course of a long reign, which Herodotus (an inexact chronologist) puts at thirty-eight years, Gyges had time to establish his power and to secure for his Lydians the control of the overland trade; and though a fresh Cimmerian horde, driven on, says Herodotus, by Scythians (perhaps these were not unconnected with the Medes then moving westward, as we know), came down from the north, defeated and killed him, sacked the unfortified part of his capital and swept on to plunder what it could of the land as far as the sea without pausing to take fenced places, his son Ardys, who had held out in the citadel of Sardes, and made his submission to Ashurbanipal, was soon able to resume the offensive against the Greeks. After an Assyrian attack on the Cimmerian flank or rear had brought about the death of the chief barbarian leader in the Cilician hills, and the dispersal of the storm, the Lydian marched down the Maeander again. He captured Priene, but like his predecessor and his successor, he failed to snatch the most coveted prize of the Greek coast, the wealthy city Miletus at the Maeander mouth.