Luke 22:59

And one hour, as it were, having intervened, a certain other was confidently affirming, saying, 'Of a truth this one also was with him, for he is also a Galilean;'

Matthew 26:73-74

And after a little those standing near having come, said to Peter, 'Truly thou also art of them, for even thy speech doth make thee manifest.'

Mark 14:69-70

And the maid having seen him again, began to say to those standing near -- 'This is of them;'

John 18:26-27

One of the servants of the chief priest, being kinsman of him whose ear Peter cut off, saith, 'Did not I see thee 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
And after a little those standing near having come, said to Peter, 'Truly thou also art of them, for even thy speech doth make thee manifest.'
Mark 14:69
And the maid having seen him again, began to say to those standing near -- 'This is of them;'
John 18:26
One of the servants of the chief priest, being kinsman of him whose ear Peter cut off, saith, 'Did not I see thee in the garden with him?'