Mark 5:37
And he suffered no one to accompany him save Peter and James, and John the brother of James.
Mark 9:2
And after six days Jesus takes with him Peter and James and John, and takes them up on a high mountain by themselves apart. And he was transfigured before them:
Mark 14:33
And he takes with him Peter and James and John, and he began to be amazed and oppressed in spirit.
Luke 8:51
And when he came to the house he suffered no one to go in but Peter and John and James and the father of the child and the mother.
Acts 9:40
But Peter, putting them all out, and kneeling down, prayed. And, turning to the body, he said, Tabitha, arise. And she opened her eyes, and, seeing Peter, sat up.
2 Corinthians 13:1
This third time I am coming to you. In the mouth of two or three witnesses shall every matter be established.