535 Two Accusatives, one of the person and one of the thing (double outer object), are found with some verbs, especially those meaning ask, demand, teach, remind, hide, deprive:
Κῦρον αἰτεῖν πλοῖα to ask Cyrus for boats. AN. I. 3, 14. ἀναμνήσω μᾶς καὶ τοὺς τῶν προγόνων κινδνους I will also remind you of the dangers of your forefathers. AN. III. 2, 11. τὰ ἡμέτερʼ ἡμᾶς ἀποστερεῖ he is depriving us of our property. D. 4, 50.