1 John 5:8

There are three witnesses, the Spirit, the water, and the blood: and all three are in agreement.

Matthew 26:26-28

And when they were taking food, Jesus took bread and, after blessing it, he gave the broken bread to the disciples and said, Take it; this is my body.

Matthew 28:19

Go then, and make disciples of all the nations, giving them baptism in the name of the Father and of the Son and of the Holy Spirit:

Mark 14:56

For a number gave false witness against him and their witness was not in agreement.

John 15:26

When the Helper comes, whom I will send to you from the Father even the Spirit of true knowledge who comes from the Father--he will give witness about me;

Acts 2:2-4

And suddenly there came from heaven a sound like the rushing of a violent wind, and all the house where they were was full of it.

Acts 15:15

And this is in agreement with the words of the prophets, as it is said,

Romans 8:16

The Spirit is witness with our spirit that we are children of God:

2 Corinthians 1:22

And it is he who has put his stamp on us, even the Spirit, as the sign in our hearts of the coming glory.

Hebrews 6:4

As for those who at one time saw the light, tasting the good things from heaven, and having their part in the Holy Spirit,

Hebrews 13:12

For this reason Jesus was put to death outside the walls, so that he might make the people holy by his blood.

1 Peter 3:21

And baptism, of which this is an image, now gives you salvation, not by washing clean the flesh, but by making you free from the sense of sin before God, through the coming again of Jesus Christ from the dead;

1 John 5:6-7

This is he who came by water and by blood, Jesus Christ; not by water only but by water and by blood.

Treasury of Scripture Knowledge

Summary

And there are three that bear witness in earth, the spirit, and the water, and the blood: and these three agree in one.

There

Bible References

There

1 John 5:7
And the Spirit is the witness, because the Spirit is true.

The spirit

1 John 5:6
This is he who came by water and by blood, Jesus Christ; not by water only but by water and by blood.
Matthew 26:26
And when they were taking food, Jesus took bread and, after blessing it, he gave the broken bread to the disciples and said, Take it; this is my body.
Matthew 28:19
Go then, and make disciples of all the nations, giving them baptism in the name of the Father and of the Son and of the Holy Spirit:
John 15:26
When the Helper comes, whom I will send to you from the Father even the Spirit of true knowledge who comes from the Father--he will give witness about me;
Romans 8:16
The Spirit is witness with our spirit that we are children of God:
Hebrews 6:4
As for those who at one time saw the light, tasting the good things from heaven, and having their part in the Holy Spirit,

The water

Acts 2:2
And suddenly there came from heaven a sound like the rushing of a violent wind, and all the house where they were was full of it.
2 Corinthians 1:22
And it is he who has put his stamp on us, even the Spirit, as the sign in our hearts of the coming glory.

The blood

Hebrews 13:12
For this reason Jesus was put to death outside the walls, so that he might make the people holy by his blood.
1 Peter 3:21
And baptism, of which this is an image, now gives you salvation, not by washing clean the flesh, but by making you free from the sense of sin before God, through the coming again of Jesus Christ from the dead;

And these

Mark 14:56
For a number gave false witness against him and their witness was not in agreement.
Acts 15:15
And this is in agreement with the words of the prophets, as it is said,

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain