Luke 22:59

After an interval of about an hour some one else stoutly maintained: "Certainly this fellow also was with him, for in fact he is a Galilaean."

Matthew 26:73-74

A short time afterwards the people standing there came and said to Peter, "Certainly you too are one of them, for your brogue shows it."

Mark 14:69-70

Again the maidservant saw him, and again began to say to the people standing by, "He is one of them."

John 18:26-27

One of the High Priest's servants, a relative of the man 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 short time afterwards the people standing there came and said to Peter, "Certainly you too are one of them, for your brogue shows it."
Mark 14:69
Again the maidservant saw him, and again began to say to the people standing by, "He is one of them."
John 18:26
One of the High Priest's servants, a relative of the man whose ear Peter had cut off, said, "Did I not see you in the garden with him?"