Sthenelus (son of Andromeda and Perseus)

Sthenelus was the son of Perseus and Andromeda and a king of Mycenae.

By Nicippe, he was the father of Eurystheus, Alcyone and Medusa. He exiled Amphitryon, for the murder of his brother Electryon. Amphitryon was also the husband of his niece, Alcmene.

As heir, Sthenelus was the successor to the throne of Mycenae. He was in turn succeeded by his son Eurystheus.

...
Wikipedia