Mark 15:27

And with him they crucify two thieves; the one on his right hand, and the other on his left.

Cross References

Matthew 27:38 Then were there two thieves crucified with him, one on the right hand, and another on the left.
Luke 23:32-33 And there were also two other, malefactors, led with him to be put to death. And when they were come to the place, which is called Calvary, there they crucified him, and the malefactors, one on the right hand, and the other on the left.
John 19:18 Where they crucified him, and two other with him, on either side one, and Jesus in the midst.