Luke 22:59

Then after about an hour had passed, another insisted, saying, "Certainly this fellow also was with him, for he is a Galilean."

Matthew 26:73-74

After a little while those who stood by came up and said to Peter, "Surely you are also one of them, for your accent betrays you."

Mark 14:69-70

And the servant girl saw him again, and began to say to those who stood by, "This is one of them."

John 18:26-27

One of the servants of the high priest, a relative of him whose ear Peter had 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
After a little while those who stood by came up and said to Peter, "Surely you are also one of them, for your accent betrays you."
Mark 14:69
And the servant girl saw him again, and began to say to those who stood by, "This is one of them."
John 18:26
One of the servants of the high priest, a relative of him whose ear Peter had cut off, said, "Did I not see you in the garden with him?"