Luke 22:58
And a little later someone else saw him and said, "You also are one of them." But Peter said, "Man, I am not."
Matthew 26:71-72
And when he went out to the entrance, another servant girl saw him, and she said to the bystanders, "This man was with Jesus of Nazareth."
Mark 14:69-70
And the servant girl saw him and began again to say to the bystanders, "This man is one of them."
John 18:25
Now Simon Peter was standing and warming himself. So they said to him, "You also are not one of his disciples, are you?" He denied it and said, "I am not."