[63] γένος is here the accus. and ἀνδρῶν the gen. after “ἐστέ”, as we may infer from Il.21. 186, 187“φῇσθα σὺ μὲν ποταμοῦ γένος ἔμμεναι εὐρὺ ῥέοντος”,
“αὐτὰρ ἐγὼ γενεὴν μεγάλου Διὸς εὔχομαι
εἶναι”. Cp. Od.14. 199.
ἀνδρῶν is in apposition to διοτρεφέων βασιλήων as genus to
species.