History of the Peloponnesian War

In this summer, too, Nymphodorus son of Pythes, a man of Abdera, whose sister Sitalces had to wife, and possessing great influence with Sitalces, the Athenians made their proxenus[*](i.e., their representative to look after Athenian interests in the country of Sitalces and Tereus. The latter had violated Philomela, sister of Procne, and cut out her tongue to prevent her telling of it; but she revealed it by weaving the story into a piece of tapestry.) with that king, although they had hitherto regarded him as an enemy; and they summoned him to Athens, wishing to gain Sitalces, son of Teres and king of the Thracians, as their ally.