ὅτι τρεῖς εἰσιν οἱ μαρτυροῦντες ἐν τῷ οὐρανῷ, ὁ Πατήρ, ὁ Λόγος καὶ τὸ Ἅγιον Πνεῦμα, καὶ οὗτοι οἱ τρεῖς ἕν εἰσι· καὶ τρεῖς εἰσιν οἱ μαρτυροῦντες ἐν τῇ γῇ ,

1. ὅτι
   that
   because
2. τρεῖς
   three
3. εἰσιν
   are
4. οἱ
   the
5. μαρτυροῦντες
   testifying
   witnessing
6. ἐν
   in
7. τῷ
   the
   to the
8. οὐρανῷ
   heaven
9.  
   ,
    
10. ὁ
    the
11. Πατήρ
    Father
12.  
    ,
     
13. ὁ
    the
14. Λόγος
    Word
    Reason, Logic
15. καὶ
    and
16. τὸ
    the
17. Ἅγιον
    Holy
18. Πνεῦμα
    Spirit
19.  
    ,
     
20. καὶ
    and
21. οὗτοι
    these
22. οἱ
    the
23. τρεῖς
    three
24. ἕν
    in
25. εἰσι
    are
26.  
    ·
     
27. καὶ
    and
28. τρεῖς
    three
29. εἰσιν
    are
30. οἱ
    the
31. μαρτυροῦντες
    testifying
    witnessing
32. ἐν
    in
33. τῇ
    the
34. γῇ
    land
    earth
35.  
    ,
     

That three are testifying in heaven: the Father, the Word, and the Holy Spirit, and these three are one, and three are testifying on earth,