Parallel
Revelation 1:2
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ὃς ἐμαρτύρησε τὸν λόγον τοῦ Θεοῦ καὶ τὴν μαρτυρίαν Ἰησοῦ Χριστοῦ, ὅσα εἶδε.
who testifies to everything he saw. This is the word of God and the testimony of Jesus Christ.