Acts 15:37

15:37 Barnabas wanted to bring John called Mark along with them too,

Acts 12:25

12:25 So Barnabas and Saul returned to Jerusalem when they had completed their mission, bringing along with them John Mark.

Acts 15:38

15:38 but Paul insisted that they should not take along this one who had left them in Pamphylia and had not accompanied them in the work.