English Standard Version
For there are three that testify:

New American Standard Bible
For there are three that testify:

King James Bible
For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one.

Holman Christian Standard Bible
For there are three that testify:

International Standard Version
For there are three witnesses —

NET Bible
For there are three that testify,

Aramaic Bible in Plain English
And The Spirit testifies because The Spirit is the truth.

GOD'S WORD® Translation
There are three witnesses:

King James 2000 Bible
For there are three that bear witness in heaven, the Father, the Word, and the Holy Spirit: and these three are one.

American King James Version
For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one.

American Standard Version
And it is the Spirit that beareth witness, because the Spirit is the truth.

Douay-Rheims Bible
And there are three who give testimony in heaven, the Father, the Word, and the Holy Ghost. And these three are one.

Darby Bible Translation
For they that bear witness are three:

English Revised Version
And it is the Spirit that beareth witness, because the Spirit is the truth.

Webster's Bible Translation
For there are three that bear testimony in heaven, the Father, the Word, and the Holy Spirit, and these three are one.

Weymouth New Testament
For there are three that give testimony-- the Spirit, the water, and the blood;

World English Bible
For there are three who testify:

Young's Literal Translation
because three are who are testifying in the heaven, the Father, the Word, and the Holy Spirit, and these -- the three -- are one;