Parallel
1 John 5:8
Patriarchal Greek New Testament (1904) · Berean Standard Bible
τὸ Πνεῦμα καὶ τὸ ὕδωρ καὶ τὸ αἷμα, καὶ οἱ τρεῖς εἰς τὸ ἕν εἰσιν.
the Spirit, the water, and the blood—and these three are in agreement.