More 1 John 5:7 Evidence: 1 John 5:7 was in the 1514 New Testament of the Complutensian Polyglot in Greek & Latin on page 2,465, & the Polyglot's translators and writers said they consulted & used "the most ancient codices" which had 1 John 5:7 in them.
👉Greek: ὅτι τρεῖς εἰσιν οἱ μαρτυροῦντες εν τῷ οὐρανῷ, ὁ πατήρ, καὶ ὁ λόγος, καὶ τὸ Ἅγιον Πνεῦμα· καὶ οἱ τρεῖς ἕν εἰσι.
👉Latin: qui testimonium dant in caelo, Pater, Verbum, et Spiritus Sanctus. Et hi tres unum sunt.
👉English translation: And there are Three who give testimony in heaven, the Father, the Word, and the Holy Ghost. And these three are one.
👉More information on the Complutensian Polyglot and its relation to 1 John 5:7 is in the below post.