Plato, Laws 680d

μᾶλλον Ἰωνικὸν βίον διεξέρχεται ἑκάστοτε. νῦν μὴν εὖ τῷ σῷ λόγῳ ἔοικε μαρτυρεῖν, τὸ ἀρχαῖον αὐτῶν ἐπὶ τὴν ἀγριότητα διὰ μυθολογίας ἐπανενεγκών. ναί· συμμαρτυρεῖ γάρ, καὶ λάβωμέν γε αὐτὸν μηνυτὴν ὅτι τοιαῦται πολιτεῖαι γίγνονταί ποτε. καλῶς. μῶν οὖν οὐκ ἐκ τούτων τῶν κατὰ μίαν οἴκησιν καὶ κατὰ γένος διεσπαρμένων ὑπὸ ἀπορίας τῆς ἐν ταῖς φθοραῖς,

And now he appears to be confirming your statement admirably, when in his legendary account he ascribes the primitive habits of the Cyclopes to their savagery. Yes, his testimony supports us; so let us take him as evidence that polities of this sort do sometimes come into existence. Quite right. Did they not originate with those people who lived scattered in separate clans or in single households, owing to the distress which followed after the catastrophes; for amongst these the eldest holds rule, owing to the fact that the rule proceeds from the parents,