Matthew 26:73

soon after they that stood by coming up, said to Peter, certainly you are one of them, for thy speech bewrays thee.

Luke 22:59-60

about an hour after another confidently affirm'd, saying, this fellow was certainly with him; for he too is a Galilean.

John 18:26-27

one of the servants of the high priest, kinsman to him whose ear Peter struck off, said, did not I see thee in the garden with him?

Treasury of Scripture Knowledge

Summary

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

Bible References

Surely

Luke 22:59
about an hour after another confidently affirm'd, saying, this fellow was certainly with him; for he too is a Galilean.
John 18:26
one of the servants of the high priest, kinsman to him whose ear Peter struck off, said, did not I see thee in the garden with him?