Luke 22:59

About an hour later another man emphatically asserted, "He certainly was with Him, for he is a Galilean!"

Matthew 26:73-74

A few minutes afterward the bystanders came up to Peter and said, "You are surely one of them, too, for your accent gives you away."

Mark 14:69-70

And the waiting girl saw him there and began again to tell the bystanders, "This fellow is one of them!"

John 18:26-27

One of the high priest's slaves, who was a kinsman of the one 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
A few minutes afterward the bystanders came up to Peter and said, "You are surely one of them, too, for your accent gives you away."
Mark 14:69
And the waiting girl saw him there and began again to tell the bystanders, "This fellow is one of them!"
John 18:26
One of the high priest's slaves, who was a kinsman of the one whose ear Peter had cut off, said, "Did I not see you in the garden with Him?"