Alcathous of Elis Aetolia, and when his brother Callipolis hastened to carry the sad tidings to his father, he found him engaged in offering a sacrifice to Apollo, and thinking it unfit to offer sacrifices at such a moment, he snatched away the wood from the altar. Alcathous imagining this to be an act of deliberate sacrilege, killed his son on the spot with a piece of wood. The acropolis of Megara was called by a name derived from that of Alcathous. Alcathous was grandfather of the hero Ajax, via his daughter Periboea, who married Telamon, and of Iolaus, nephew and charioteer of
Telamon account recorded by Pherecydes of Leros, Telamon and Peleus were not brothers, but friends. This would accord with Peleus being the father of the other hero Achilles (called Pelides - i.e. son of Peleus - by Homer). According to this account, Telamon was the son of Actaeus and Glauce, with the latter being the daughter of Cychreus, king of Salamis; and Telamon married Periboea, daughter of King Alcathous of Megara. After killing their half-brother, Phocus, Telamon and Peleus fled Aegina. They made their way to the island of Salamis, where King Cychreus welcomed Telamon and befriended him. Telamon married Cychreus'