One of them was Andrew, Simon Peter's brother.
One of the two which heard John speak, and followed him, was Andrew, Simon Peter's brother.
One of the two who heard what John said and followed Jesus was Andrew, Simon Peter's brother.
One of the two that heard John speak, and followed him, was Andrew, Simon Peter’s brother.
One of the two disciples who heard what John said and followed Jesus was Andrew, the brother of Simon Peter.
And Andrew, the brother of Simon Peter, was one of the two who had heard about him from John and had followed him.