Passage 2.6.6
Σικυῶνος δὲ γίνεται Χθονοφύλη, Χθονοφύλης δὲ καὶ Ἑρμοῦ Πόλυβον γενέσθαι λέγουσιν· ὕστερον δὲ αὐτὴν Φλίας ὁ Διονύσου γαμεῖ, καί οἱ παῖς Ἀνδροδάμας γίνεται. Πόλυβος δὲ Ταλαῷ τῷ Βίαντος βασιλεύοντι Ἀργείων Λυσιάνασσαν τὴν θυγατέρα ἔδωκε· καὶ ὅτε Ἄδραστος ἔφευγεν ἐξ Ἄργους, παρὰ Πόλυβον ἦλθεν ἐς Σικυῶνα καὶ ὕστερον ἀποθανόντος Πολύβου τὴν ἐν Σικυῶνι ἀρχὴν ἔσχεν. Ἀδράστου δὲ ἐς Ἄργος κατελθόντος Ἰανίσκος ἀπόγονος Κλυτίου τοῦ Λαμέδοντι κηδεύσαντος ἐλθὼν ἐκ τῆς Ἀττικῆς ἐβασίλευσεν, ἀποθανόντος δὲ Ἰανίσκου Φαῖστος τῶν Ἡρακλέους λεγόμενος παίδων καὶ οὗτος εἶναι.
From Sicyon was born Chthonophyle; and from Chthonophyle and Hermes, they say, was born Polybus. Later Phlias, the son of Dionysus, married her, and she bore him a son named Androdamas. Polybus gave his daughter Lysianassa in marriage to Talaus, king of the Argives, son of Bias; and when Adrastus fled from Argos, he came to Polybus at Sicyon. Later, upon Polybus' death, Adrastus became ruler over Sicyon. Once Adrastus had returned down to Argos, Ianiscus, a descendant of Clytius who had accompanied Lamedon, came to Sicyon from Attica and reigned as king. After Ianiscus died, Phaestus, who was said to be one of the sons of Heracles, became king in his turn.