4. A son of Pleuron and Xanthippe, and grandson of Aetolus. Epicaste, the daughter of Calydon, became by him the mother of Porthaon and Demonice. (Apollod. 1.7.7.) According to Pausanias (3.13.5), Thestius, the father of Leda, is likewise a son of this Agenor.