Luke 22:59

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

Matthew 26:73-74

And after a little while they that stood by came and said to Peter, Of a truth thou also art one of them; for thy speech maketh thee known.

Mark 14:69-70

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

American Standard Version Public Domain