With αὐτός.—The idea of accompaniment is often expressed by αὐτός joined to the dative. This use is common when the destruction of a person or thing is referred to. Thus,
τῶν ϝεῶν μία αὐτοῖς ἀνδράσιν
εἶπεν ἥκειν εἰς τὰ_ς τάξεις αὐτοῖς στεφάνοις
Herbert Weir Smyth [n.d.], A Greek Grammar for Colleges; Machine readable text [info] [word count] [Smyth].