Lelex (king of Megara)In Greek mythology, Lelex was a king of Megara and regarded as the ancestor of the Leleges.FamilyLelex was the son of Poseidon and Libya, the daughter of Epaphus. He was the father of Bias, Cleson, and possibly of Pterelaus. Lelex' successor, his son Cleson fathered Pylas who in turn begat Sciron, the Megarian warlord or otherwise, the malefactor of Theseus.MythologyIn the twelfth generation after Car reigned in the Carian land, Lelex immigrated from Egypt into Greece where he became king of Megara. His tomb was shown below Nisaea, the acropolis of Megara.