Acts 15:37
Barnabas wished to take with them John, whose other name was Mark;
Acts 12:12
As soon as he realized what had happened, he went to the house of Mary, the mother of John who was also known as Mark, where a number of people were gathered together, praying.
Acts 12:25
When Barnabas and Saul had carried out their mission, they returned to Jerusalem, and took with them John, who was also known as Mark.
Acts 13:5
On reaching Salamis, they began to tell the Message of God in the Jewish Synagogues; and they had John with them as an assistant.
Acts 13:13
After this, Paul and his companions set sail from Paphos and went to Perga in Pamphylia, where John left them and returned to Jerusalem.
Colossians 4:10
My fellow-prisoner, Aristarchus, sends you his greeting, and Barnabas's cousin, Mark, sends his. (You have received directions about him. If he comes to you, make him welcome.)
2 Timothy 4:11
There is no one but Luke with me. Pick up Mark on your way, and bring him with you, for he is useful to me in my work.