Matthew 17:1
Six days after this, Jesus took Peter and James and his brother John, and led them up on a high mountain, by themselves.
Matthew 26:37
And he took Peter and Zebedee's two sons with him, and he began to show grief and distress of mind.
Mark 5:37
He let no one go with him but Peter, James, and James's brother John.
Luke 9:28-36
It was about eight days after Jesus said this that he took Peter, John, and James, and went up on the mountain to pray.
Mark 9:2-13
Six days after this Jesus took Peter, James, and John with him, and led them up on a high mountain, off by themselves. And his appearance underwent a change in their presence,
Luke 8:51
When he got to the house, he let no one go in with him but Peter, John, and James, and the child's father and mother.
2 Corinthians 13:1
This will be my third visit to you. Any charge must be sustained by the evidence of two or three witnesses.