Mark 5:37
And he allowed no one to follow him except Peter, James, and John the brother of James.
Mark 9:2
After six days Jesus took with him Peter and James and John, and led them up a high mountain apart by themselves. And he was transfigured before them,
Mark 14:33
And he took Peter, James and John with him, and he began to be deeply distressed and troubled.
Luke 8:51
When he came into the house he permitted no one to go in with him except Peter, James, and John, and the father and mother of the girl.
Acts 9:40
But Peter sent them all out and knelt down and prayed; then turning to the body, he 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. Every charge must be established by the evidence of two or three witnesses.