Matthew 17:1
And after six days Jesus taketh with him Peter, and James, and John his brother, and bringeth them up into a high mountain apart:
Matthew 26:37
And he took with him Peter and the two sons of Zebedee, and began to be sorrowful and sore troubled.
Mark 5:37
And he suffered no man to follow with him, save Peter, and James, and John the brother of James.
Luke 9:28-36
And it came to pass about eight days after these sayings, that he took with him Peter and John and James, and went up into the mountain to pray.
Mark 9:2-13
And after six days Jesus taketh with him Peter, and James, and John, and bringeth them up into a high mountain apart by themselves: and he was transfigured before them;
Luke 8:51
And when he came to the house, he suffered not any man to enter in with him, save Peter, and John, and James, and the father of the maiden and her mother.
2 Corinthians 13:1
This is the third time I am coming to you. At the mouth of two witnesses or three shall every word established.
2 Peter 1:18
and this voice we ourselves heard borne out of heaven, when we were with him in the holy mount.