Seven Witnesses

The Gospel of John has seven human witnesses that declare He is the son of God.

1. John the Baptist: This is the Son of God (1:34)
2. Nathanael: You are the Son of God (1:49)
3. Peter: You are the Christ, the Son of the living God (6:69)
4. Martha: You are the Christ, the Son of God (11:27)
5. Thomas: He is my Lord and my God (20:28)
6. John: Jesus is he Christ, the Son of God (20:31)
7. Jesus himself: I am the Son of God (10:36)

Seven I AM's

John is filled with a witness or testimony of who he is that calls for belief or faith which results in life if faith is put in him. The seven I AM's are Jesus own testimony of His deity. Jesus said:

I AM the bread of life (6:35)
I AM the light of the world (8:12)
Before Abraham was, I AM (8:58)
I AM the good Shepherd (10:11)
I AM the resurrection, and the life (11:25)
I AM the way, the turth, and the life (14:6)
I AM the true vine (15:1)

The Witnesses in John

The theme of witness pervades the whole of John's gospel. There is :

The witness of John the Baptist (1:6-8)
The witness of the Father (5:32, 37; 8:18)
The witness of the Son (8:14, 18)
The witness of the Spirit (John 15:26)
The witness of the works of Christ (5:36, 10:25)
The witness of the scriptures (5:39)
The witness of the disciples (15:27) including the witness of the disciple that Jesus loved (19:35, 21:24)
The purpose of the witness was that all should believe (20:31)

1:6

1:6-8 There came a man , sent from God, whose name was John. He came for the purpose of witness, to bear witness concerning the light, that all might believe through him. He was not the light, but (came) to bear witness concerning the light.

Verse 6 begins the many witnesses in the gospel of John to the true light (Jesus).