Note: Do not rely on this information. It is very old.
Diomedes
Diomedes. 1. The son of Tydeus and king of Argos, was one of the suitors of Helen, and thus bound to take part in the expedition against Troy, of which he was one of the principal heroes. The protection of Pallas and his own bravery caused him to play a conspicuous part in the struggle, wounding Aphrodite and Ares and attacking Apollo, and finally being one of the inhabitants of the wooden horse. 2. A king of the Bistones, who fed his horses on human flesh, and was killed by Hercules, who carried off the horses.