He purified Pelops's son Copreus from murder, and employed Copreus as a herald. He was born prematurely to Nicippe after Zeus swore an oath that any prince born to the House of Perseus before nightfall should be High King. This son of Sthenelus refused to give his cousin credit for a task in which his cousin was aided by Iolaus. He took to sending orders to his cousin by messenger while hiding in 
He purified Pelops's son Copreus from murder, and employed Copreus as a herald. He was born prematurely to Nicippe after Zeus swore an oath that any prince born to the House of Perseus before nightfall should be High King. This son of Sthenelus refused to give his cousin credit for a task in which his cousin was aided by Iolaus. He took to sending orders to his cousin by messenger while hiding in a bronze urn underground after seeing the corpse of the Nemean Lion. FTP, name this man who set twelve labors for his cousin Heracles.
He purified Pelops's son Copreus from murder, and employed Copreus as a herald.
Eurystheus