12:12 When Peter 1 realized this, he went to the house of Mary, the mother of John Mark, 2 where many people had gathered together and were praying.
1 tn Grk “he”; the referent (Peter) has been specified in the translation for clarity.
2 tn Grk “John who was also called Mark.”
sn John Mark becomes a key figure in Acts 12:25; 13:5, 13; 15:37-39.