Luke 22:59

And about the space of one hour after, another confidently affirmed, saying, In truth this man also was with him; for he is a Galilean.

Matthew 26:73-74

And after a while came to him they that stood by, and said to Peter, Surely thou also art one of them; for thy speech betrayeth thee.

Mark 14:69-70

And a maid saw him again, and began to say to them that stood by, This is one of them.

John 18:26-27

One of the servants of the high priest (being the 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 while came to him they that stood by, and said to Peter, Surely thou also art one of them; for thy speech betrayeth thee.
Mark 14:69
And a maid saw him again, and began to say to them that stood by, This is one of them.
John 18:26
One of the servants of the high priest (being the kinsman of him whose ear Peter cut off) saith, Did not I see thee in the garden with him?