 Sisyphus was the son of King Aeolus of Thessaly and Enarete and the brother of Salmoneus.He married the Pleiad Merope by whom he became the father of Glaucus, Ornytion, Thersander, Almus and Porphyrion.Sisyphus was the grandfather of Bellerophon through Glaucus, and Minyas, founder of Orchomenus, through Almus.