The brothers Kastôr and (Polydeukês, or) Pollux are no less celebrated for their fraternal affection than for their great bodily accomplishments: Kastôr, the great charioteer and horse-master; Pollux, the first of pugilists. They are enrolled both among the hunters of the Kalydônian boar and among the heroes of the Argonautic expedition, in which Pollux represses the insolence of Amykus, king of the Bebrykes, on the coast of Asiatic Thrace—the latter, a gigantic pugilist, from whom no rival has ever escaped, challenges Pollux, but is vanquished and killed in the fight.[403] [403] Apollôn. Rhod. ii. 1-96. Apollod. i. 9, 20. Theocrit. xxii. 26-133. In the account of Apollônius and Apollôdorus, Amykus is slain in the contest; in that of Theocritus he is only conquered and forced to give in, with a promise to renounce for the future his brutal conduct; there were several different narratives. See Schol. Apollôn. Rhod. ii. 106. The two brothers also undertook an expedition into Attica, for the purpose of recovering their sister Helen, who had been carried off by Thêseus in her early youth, and deposited by him at Aphidna, while he accompanied Perithous to the under-world, in order to assist his friend in carrying off Persephonê. The force of Kastôr and Pollux was irresistible, and when they re-demanded their sister, the people of Attica were anxious to restore her: but no one knew where Thêseus had deposited his prize. The invaders, not believing in the sincerity of this denial, proceeded to ravage the country, which would have been utterly ruined, had not Dekelus, the eponymus of Dekeleia, been able to indicate Aphidna as the place of concealment. The autochthonous Titakus betrayed Aphidna to Kastôr and Pollux, and Helen was recovered: the brothers in evacuating Attica, carried away into captivity Æthra, the mother of Thêseus. In after-days, when Kastôr and Pollux, under the title of the Dioskuri, had come to be worshipped as powerful gods, and when the Athenians were greatly ashamed of this act of Thêseus—the revelation made by Dekelus was considered as entitling him to the lasting gratitude of his country, as well as to the favorable remembrance of the Lacedæmônians, who maintained the Dekeleians in the constant enjoyment of certain honorary privileges at Sparta,[404] and even spared that dême in all their invasions of Attica. Nor is it improbable that the existence of this legend had some weight in determining the Lacedæmônians to select Dekelia as the place of their occupation during the Peleponnêsian war.