Mark 5:37
And he suffered no man to follow him, save Peter, and James, and John the brother of James.
Mark 9:2
And after six days, Jesus taketh with him Peter, and James, and John, and leadeth them up upon a high mountain apart by themselves; and he was transfigured before them.
Mark 14:33
And he taketh with him Peter, and James, and John, and began to be greatly amazed, and to be very heavy;
Luke 8:51
And when he came into the house, he suffered no man to go in, save Peter, and James, and John, and the father and the mother of the maiden.
Acts 9:40
But Peter put them all forth, and kneeled down, and prayed; and turning to the body, said, Tabitha, arise. And she opened her eyes: and when she saw Peter, she sat up.
2 Corinthians 13:1
This is the third time I am coming to you: By the mouth of two or three witnesses shall every word be established.