But a fatality hung over the family of Cadmus in consequence of his killing the serpent sacred to Mars. Semele and Ino, his daughters, and Actaeon and Pentheius, his grandchildren, all perished unhappily; and Cadmus and Harmonia quitted Thebes, now grown odious to them, and emigrated to the country of the Enchelians, who received them with honor and made Cadmus their king.