Alcmaeon

Also spelled �Alcmeon, � in Greek legend, the son of the seer Amphiaraus and his wife Eriphyle. When Amphiaraus set out with the expedition of the Seven Against Thebes, which he knew would be fatal to him, he commanded his sons to avenge his death by slaying Eriphyle (who had been bribed by Polyneices with the necklace of Harmonia to persuade her husband to fight) and by undertaking a second expedition