Luke 22:59

After about an hour had passed, another man began to insist, saying, "Certainly this man also was with Him, for he is a Galilean too."

Matthew 26:73-74

A little later the bystanders came up and said to Peter, "Surely you too are one of them; for even the way you talk gives you away."

Mark 14:69-70

The servant-girl saw him, and began once more to say to the bystanders, "This is one of them!"

John 18:26-27

One of the slaves of the high priest, being a relative of the one whose ear Peter cut off, said, "Did I not see you in the garden with Him?"

Treasury of Scripture Knowledge

Summary

And about the space of one hour after another confidently affirmed, saying, Of a truth this fellow also was with him: for he is a Galilaean.

Bible References

Confidently

Matthew 26:73
A little later the bystanders came up and said to Peter, "Surely you too are one of them; for even the way you talk gives you away."
Mark 14:69
The servant-girl saw him, and began once more to say to the bystanders, "This is one of them!"
John 18:26
One of the slaves of the high priest, being a relative of the one whose ear Peter cut off, said, "Did I not see you in the garden with Him?"