Acts 1, 12-14
So from the Mount of Olives, as it is called, they went back to Jerusalem, a short distance away, no more than a Sabbath walk; and when they reached the city they went to the upper room where they were staying; there were Peter and John, James and Andrew, Philip and Thomas, Bartholomew and Matthew, James son of Alphaeus and Simon the Zealot, and Jude son of James. With one heart all these joined constantly in prayer, together with some women, including Mary the mother of Jesus, and with his brothers.