Salvete!
I am hoping someone can elucidate why “oios voos” is in the nominative.
The full line is “ou gar poo sapa oisth’ oios voos Atreioovos”, and can be compared to Book1 lines 262-263: “ou gar poo toious idov averas oude idoomai,/oiov Peirithoov te Druavta te poimeva laoon”.
Thank you.