Σθένελος-1 (ἀγλαός). Patronymic Καπανηϊάδης. Son of Capaneus and companion of Diomedes Il. 2.564; acting as chariot-driver to Diomedes Il. 4.367, 403, Il. 5.108, 111, 241, 319, 835, Il. 8.114; drives off Aeneas's horses Il. 5.319; replies to Agamemnon in his inspection Il. 4.403, is rebuked by Diomedes 411; Il. 9.48, Il. 23.511 .