John 1:19

Now this is the testimony which John gave when the Jews sent priests and Levites to him from Jerusalem, to ask him, "Who are you?"

John 10:24

So the Jews surrounded Him and kept asking Him, "How much longer are you going to keep us in suspense? If you are really the Christ, tell us so plainly."

Matthew 21:23-32

And when He had come into the temple, the high priests and elders of the people came up to Him while He was teaching, and asked, "What sort of authority have you for doing these things, and who gave you this authority?"

Luke 3:15-18

Now while the people were on tiptoe in their expectations, and they were all arguing in their hearts about John whether he was himself the Christ,

John 2:18

Then the Jews addressed Him and asked, "What sign can you show us that you have authority to act in this way?"

John 5:10

So the Jews began to say to the man who had been cured, "It is the Sabbath, and it is against the law for you to carry your pallet."

John 5:33-36

You yourselves sent to John, and he has testified to the truth.

Acts 13:25

As John was closing his career, he said, 'What do you take me to be? I am not the Christ; no, but He is coming after me, and I am not fit to untie the shoes on His feet.'

Acts 19:4

Then Paul said, "John baptized with a baptism that was an expression of repentance, telling the people to believe in Him who was to come after him; that is, in Jesus."

John 6:41

Then the Jews began to grumble about His saying, "I am the bread that came down out of heaven."

John 6:52

But the Jews kept on wrangling with one another and saying, "How can He give us His flesh to eat?"

Treasury of Scripture Knowledge

Summary

And this is the record of John, when the Jews sent priests and Levites from Jerusalem to ask him, Who art thou?

Bible References

When

John 5:33
You yourselves sent to John, and he has testified to the truth.
Matthew 21:23
And when He had come into the temple, the high priests and elders of the people came up to Him while He was teaching, and asked, "What sort of authority have you for doing these things, and who gave you this authority?"
Luke 3:15
Now while the people were on tiptoe in their expectations, and they were all arguing in their hearts about John whether he was himself the Christ,