1. A son of Haemon, from whom Thessaly was believed to have received its name. (Strab. x. p. 443.)

2. A son of Jason and Medeia, and the ancestor of the Thessalian race. He was educated at Corinth, and afterwards succeeded Acastus on the throne of Iolcus. (Diod. iv. 55.)

3. A son of Heracles and Chalciope, was the father of Pheidippus and Antiphus. (Hom. Il. ii. 679; Apollod. ii. 7. § 8.)