Acts 12:12

12 When he realized this, he went to the house of Mary, the mother of John whose other name was Mark, where many were gathered together and were praying.
The English Standard Version is published with the permission of Good News Publishers.

Acts 12:25

25 And Barnabas and Saul returned from Jerusalem when they had completed their service, bringing with them John, whose other name was Mark.
The English Standard Version is published with the permission of Good News Publishers.