He was a hero in mythology, best known for slaying the Gorgon Medusa.
Perseus was a hero from Greek mythology.
Perseus in greek mythology is dead
No, Perseus was a hero from mythology.
Zues is the father of Perseus
Polydectes was a character from Greek mythology, known as the king of Seriphos. He is most famous for his role in the story of Perseus and Medusa, where he sent Perseus on a dangerous quest to retrieve Medusa's head, hoping Perseus would not return.
Io is an ancestor to Perseus
In mythology he is, yes.
No, he was a hero from Greek mythology.
Zeus
He did not.
In Greek mythology, Perseus was not the son of Poseidon- he was the son of Zeus. In the fictional series 'Percy Jackson and the Olympians', Percy was the son of Poseidon, but that is never stated by actual sources for mythology.
Greek mythology did not have a calendar.