Acts 12:25

“And Barnabas and Saul returned from Jerusalem, when they had fulfilled their ministry, and took with them John, whose su...”

Acts 15:37

“And Barnabas determined to take with them John, whose surname was Mark.”

Acts 15:38

“But Paul thought not good to take him with them, who departed from them from Pamphylia, and went not with them to the wo...”

Galatians 2:1

“Then fourteen years after I went up again to Jerusalem with Barnabas, and took Titus with me also.”