That we should be to the praise of his glory, who first trusted in Christ.
Berean Study Bible (BSB) - Ephesians 1:12 >in order that we, who were the first to hope in Christ, would be for the praise of His glory.
Textus Receptus (TR) - Ephesians 1:12 >εἰς τὸ εἶναι ἡμᾶς εἰς ἔπαινον τῆς δόξης αὐτοῦ, τοὺς προηλπικότας ἐν τῷ Χριστῷ·