According to Apollonius of Rhodes , he was a son of Agenor .
The Bibliotheca says that other authors named son 's father as Poseidon ( who is the father of Agenor ) .
According to Apollonius of Rhodes , he was a son of Agenor , but the Bibliotheca says that other authors named his father as Poseidon ( who is the father of Agenor ) .