Matthew 17:1
Six days later Jesus took with him Peter and James and his brother John, and led them up a high mountain, by themselves apart.
Matthew 26:37
And he took Peter and the two sons of Zebedee with him, and began to be in anguish and sore distress,
Mark 5:37
He would not permit any one to go with him, except Peter and James and John, the brother of James.
Luke 9:28-36
About eight days after this it happened that Jesus took Peter, James, and John, and went up on the mountain to pray.
Mark 9:2-13
Six days later Jesus took with him Peter and James and John, and brought them by themselves up a high mountain apart from the rest.
Luke 8:51
So he came to the house, and would not permit anyone to go in with him except Peter and John and James, and the father and Mother of the little girl.
2 Corinthians 13:1
This will be my third visit to you. Out of the mouth of two or three witnesses shall every word be confirmed.
2 Peter 1:18
and this voice we ourselves heard, borne to us out of heaven, when we were with him on the holy hill.