Read John 18:15 Using Other Translations
And Simon Peter followed Jesus, and so did another disciple: that disciple was known unto the high priest, and went in with Jesus into the palace of the high priest.
Simon Peter followed Jesus, and so did another disciple. Since that disciple was known to the high priest, he entered with Jesus into the court of the high priest,
Simon Peter followed Jesus, as did another of the disciples. That other disciple was acquainted with the high priest, so he was allowed to enter the high priest’s courtyard with Jesus.