Mark 14:37

14:37 Then he came and found them sleeping, and said to Peter, “Simon, are you sleeping? Couldn’t you stay awake for one hour?

Mark 14:70

14:70 But he denied it again. A short time later the bystanders again said to Peter, “You must be one of them, because you are also a Galilean.”

Mark 16:7

16:7 But go, tell his disciples, even Peter, that he is going ahead of you into Galilee. You will see him there, just as he told you.”