16 But Peter stood at the door without: the other disciple therefore, who was known to the high-priest, went out and spake to her that kept the door, and brought Peter in.
John 18:16 Cross References - Worsley
Matthew 26:69
69 Now Peter was sitting without in the hall, and one of the maids came to him and said, Thou also wast with Jesus of Galilee:
Mark 14:66-68
66 And Peter being in the hall below, there came one of the maid-servants of the high priest;
67 and when she saw Peter as he was warming himself, she looked earnestly upon him and said, Thou also wast with Jesus the Nazarene:
68 but he denied it, saying, I do not know Him, nor do I understand what thou meanest. And he went out into the porch, and the cock crew.