Acts 15:37
Barnabas wanted to take John, also called Mark, with them.
Acts 12:12
When he realized this, he went to the house of Mary, the mother of John who was also called Mark, where many were gathered together and were praying.
Acts 12:25
And Barnabas and Saul returned from Jerusalem when they had fulfilled their mission, taking along with them John, who was also called Mark.
Acts 13:5
When they arrived at Salamis, they proclaimed the word of God in the synagogues of the Jews. And they had John as their helper.
Acts 13:13
Now Paul and his companions put out to sea from Paphos and came to Perga in Pamphylia; but John left them and returned to Jerusalem.
Colossians 4:10
My fellow prisoner Aristarchus sends you his greetings, and also Mark, the cousin of Barnabas (about whom you have received instructions; if he comes to you, welcome him.)
2 Timothy 4:11
Only Luke is with me. Get Mark and bring him with you, for he is useful to me in my ministry.