Matthew 11:2

Now when John had news in prison of the works of the Christ, he sent his disciples

Matthew 14:3

For Herod had taken John and put him in prison because of Herodias, his brother Philip's wife.

Matthew 4:12

Now when it came to his ears that John had been put in prison, he went away to Galilee;

Matthew 9:14

Then the disciples of John came to him, saying, Why do we and the Pharisees frequently go without food, but your disciples do not?

Mark 6:17

For Herod himself had sent men out to take John and put him in prison, because of Herodias, his brother Philip's wife, whom he had taken for himself.

Matthew 1:17

So all the generations from Abraham to David are fourteen generations; and from David to the taking away to Babylon, fourteen generations; and from the taking away to Babylon to the coming of Christ, fourteen generations.

Luke 3:19

But Herod the king, because John had made a protest on account of Herodias, his brother's wife, and other evil things which Herod had done,

Luke 7:18-35

And the disciples of John gave him an account of all these things.

John 3:24-28

For at this time John had not been put into prison.

John 4:1

Now when it was clear to the Lord that word had come to the ears of the Pharisees that Jesus was making more disciples than John and was giving them baptism

Acts 19:1-3

And it came about that while Apollos was at Corinth, Paul, having gone through the higher country, came to Ephesus, where there were certain disciples:

Treasury of Scripture Knowledge

Summary

Now when John had heard in the prison the works of Christ, he sent two of his disciples,

General references

Bible References

In

Matthew 4:12
Now when it came to his ears that John had been put in prison, he went away to Galilee;
Matthew 14:3
For Herod had taken John and put him in prison because of Herodias, his brother Philip's wife.
Mark 6:17
For Herod himself had sent men out to take John and put him in prison, because of Herodias, his brother Philip's wife, whom he had taken for himself.
Luke 3:19
But Herod the king, because John had made a protest on account of Herodias, his brother's wife, and other evil things which Herod had done,
Luke 7:18
And the disciples of John gave him an account of all these things.
John 3:24
For at this time John had not been put into prison.

He

Matthew 9:14
Then the disciples of John came to him, saying, Why do we and the Pharisees frequently go without food, but your disciples do not?
John 3:25
Then a question came up between John's disciples and a Jew about washing.
John 4:1
Now when it was clear to the Lord that word had come to the ears of the Pharisees that Jesus was making more disciples than John and was giving them baptism
Acts 19:1
And it came about that while Apollos was at Corinth, Paul, having gone through the higher country, came to Ephesus, where there were certain disciples:

General references

Luke 3:19
But Herod the king, because John had made a protest on account of Herodias, his brother's wife, and other evil things which Herod had done,
Luke 7:18
And the disciples of John gave him an account of all these things.

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