And when he had considered the thing, he came to the house of Mary the mother of John, whose surname was Mark; where many were gathered together praying.
All Commentaries on Acts 12:12 Go To Acts 12
John Chrysostom
AD 407
Observe how Peter does not immediately withdraw, but first brings the good tidings to his friends. And as Peter knocked at the door of the gate, a damsel came to hearken, named Rhoda. And when she knew Peter's voice, she opened not the gate for gladness,— Mark even the servant-girls, how full of piety they are—but ran in, and told how Peter stood before the gate.