Mark 5:37
And he allowed no man to accompany him except Peter, and James, and John the brother of James.
Mark 9:2
And after six days Jesus takes Peter and James and John, and leads them up onto a high mountain alone, in private. And he was transfigured before them,
Mark 14:33
And he takes Peter and James and John with him, and began to be greatly disturbed, and very distressed.
Luke 8:51
And when he came to the house, he did not allow any man to enter in except Peter and John and James, and the father of the girl and the mother.
Acts 9:40
But Peter, having sent them all out, having knelt down, he prayed. And having turned to the body, he said, Tabitha, arise. And the woman opened her eyes. And when she saw Peter, she sat up.
2 Corinthians 13:1
This third time I am coming to you. In the mouth of two witnesses or three every saying will be confirmed.