John: The Apostle: Present at the Trial of Jesus Which Took Place in Front of the High Priest
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John 18:15, 16
Now Simon Peter and another disciple were following Jesus. Since that disciple was known to the high priest, he also went with Jesus into the courtyard of the high priest. / But Peter stood outside at the door. Then the disciple who was known to the high priest went out and spoke to the doorkeeper, and brought Peter in.