1 John 5:8

the Spirit, the water, and the blood—and these three are in agreement.

Matthew 26:26-28

As they were eating, Jesus took bread, blessed and broke it, gave it to the disciples, and said, “Take and eat it; this is My body.”

Matthew 28:19

Go, therefore, and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,

Mark 14:56

For many were giving false testimony against Him, but the testimonies did not agree.

John 15:26

“When the Counselor comes, the One I will send to you from the Father—the Spirit of truth who proceeds from the Father—He will testify about Me.

Acts 2:2-4

Suddenly a sound like that of a violent rushing wind came from heaven, and it filled the whole house where they were staying.

Acts 15:15

And the words of the prophets agree with this, as it is written:

Romans 8:16

The Spirit Himself testifies together with our spirit that we are God’s children,

2 Corinthians 1:22

He has also sealed us and given us the Spirit as a down payment in our hearts.

Hebrews 6:4

For it is impossible to renew to repentance those who were once enlightened, who tasted the heavenly gift, became companions with the Holy Spirit,

Hebrews 13:12

Therefore Jesus also suffered outside the gate, so that He might sanctify the people by His own blood.

1 Peter 3:21

Baptism, which corresponds to this, now saves you (not the removal of the filth of the flesh, but the pledge of a good conscience toward God) through the resurrection of Jesus Christ.

1 John 5:6-7

Jesus Christ—He is the One who came by water and blood, not by water only, but by water and by blood. And the Spirit is the One who testifies, because the Spirit is the truth.

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
For there are three that testify:

The spirit

1 John 5:6
Jesus Christ—He is the One who came by water and blood, not by water only, but by water and by blood. And the Spirit is the One who testifies, because the Spirit is the truth.
Matthew 26:26
As they were eating, Jesus took bread, blessed and broke it, gave it to the disciples, and said, “Take and eat it; this is My body.”
Matthew 28:19
Go, therefore, and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,
John 15:26
“When the Counselor comes, the One I will send to you from the Father—the Spirit of truth who proceeds from the Father—He will testify about Me.
Romans 8:16
The Spirit Himself testifies together with our spirit that we are God’s children,
Hebrews 6:4
For it is impossible to renew to repentance those who were once enlightened, who tasted the heavenly gift, became companions with the Holy Spirit,

The water

Acts 2:2
Suddenly a sound like that of a violent rushing wind came from heaven, and it filled the whole house where they were staying.
2 Corinthians 1:22
He has also sealed us and given us the Spirit as a down payment in our hearts.

The blood

Hebrews 13:12
Therefore Jesus also suffered outside the gate, so that He might sanctify the people by His own blood.
1 Peter 3:21
Baptism, which corresponds to this, now saves you (not the removal of the filth of the flesh, but the pledge of a good conscience toward God) through the resurrection of Jesus Christ.

And these

Mark 14:56
For many were giving false testimony against Him, but the testimonies did not agree.
Acts 15:15
And the words of the prophets agree with this, as it is written:

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.