Parallel
John 17:19
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ ὑπὲρ αὐτῶν ἐγὼ ἁγιάζω ἐμαυτόν ἵνα ὦσιν καὶ αὐτοὶ ἡγιασμένοι ἐν ἀληθείᾳ
For them I sanctify Myself, so that they too may be sanctified by the truth.