Mark 14:70

But again he denied it. And after a little while the bystanders again said to Peter, "Certainly you are one of them, for you are a Galilean."

Acts 2:7

And they were amazed and astonished, saying, "Are not all these who are speaking Galileans?

they said to him, "Then say Shibboleth," and he said, "Sibboleth," for he could not pronounce it right. Then they seized him and slaughtered him at the fords of the Jordan. At that time 42,000 of the Ephraimites fell.

Matthew 26:73-74

After a little while the bystanders came up and said to Peter, "Certainly you too are one of them, for your accent betrays you."

Mark 14:68

But he denied it, saying, "I neither know nor understand what you mean." And he went out into the gateway and the rooster crowed.

Luke 22:59-60

And after an interval of about an hour still another insisted, saying, "Certainly this man also was with him, for he too is a Galilean."

John 18:26-27

One of the servants of the high priest, a relative of the man whose ear Peter had cut off, asked, "Did I not see you in the garden with him?"

Treasury of Scripture Knowledge

Summary

Mark 14:70

And he denied it again. And a little after, they that stood by said again to Peter, Surely thou art one of them: for thou art a Galilaean, and thy speech agreeth thereto.