Parallel
1 John 5:13
Nestle 1904 Greek New Testament · Berean Standard Bible
Ταῦτα ἔγραψα ὑμῖν ἵνα εἰδῆτε ὅτι ζωὴν ἔχετε αἰώνιον τοῖς πιστεύουσιν εἰς τὸ ὄνομα τοῦ Υἱοῦ τοῦ Θεοῦ
I have written these things to you who believe in the name of the Son of God, so that you may know that you have eternal life (note: BYZ and TR include and that you may believe in the name of the Son of God.).