Cretheus

Cretheus appears in Greek genealogical accounts as a son of Aeolus (son of Hellen) and as the founder and king of Iolcus. He is placed in the generation that precedes the heroes of the Argonautic cycle: his sons include Aeson (father of Jason), Pheres, and Amythaon. Classical summaries record him as a dynastic progenitor whose position in family trees explains the succession of kingship at Iolcus and links later heroes into the Aeolid house.

Surviving summaries and genealogical notices do not provide a physical description of Cretheus; he is represented in the sources by his social and familial roles (son, husband, father, king) rather than by visible features or iconography.

The provided sources ascribe to Cretheus no supernatural powers. His recorded actions are political and familial: founding and ruling Iolcus, marrying (notably to Tyro and in some accounts to Demodice/Biadice), and siring children who become important eponymous or dynastic figures. He is portrayed as a mortal king whose significance is genealogical and foundational rather than magical.