Acts 12:12

12:12 When Peter realized this, he went to the house of Mary, the mother of John Mark, where many people had gathered together and were praying.

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 13:5

13:5 When they arrived in Salamis, they began to proclaim the word of God in the Jewish synagogues. (Now they also had John as their assistant.)

Acts 13:13

Paul and Barnabas at Pisidian Antioch

13:13 Then 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

4:10 Aristarchus, my fellow prisoner, sends you greetings, as does Mark, the cousin of Barnabas (about whom you received instructions; if he comes to you, welcome him).

Colossians 4:2

Exhortation to Pray for the Success of Paul’s Mission

4:2 Be devoted to prayer, keeping alert in it with thanksgiving.

Colossians 4:11

4:11 And Jesus who is called Justus also sends greetings. In terms of Jewish converts, these are the only fellow workers for the kingdom of God, and they have been a comfort to me.

Philemon 1:24

1:24 Mark, Aristarchus, Demas and Luke, my colaborers, greet you too.