Cross reference
Luke 22:59
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
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.'
74 Then began he to anathematise, and to swear -- `I have not known the man;' and immediately did a cock crow,
Mark 14:69-70
69 And the maid having seen him again, began to say to those standing near -- `This is of them;'
70 and he was again denying. And after a little again, those standing near said to Peter, `Truly thou art of them, for thou also art a Galilean, and thy speech is alike;'
John 18:26-27
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?'
27 again, therefore, Peter denied, and immediately a cock crew.