Acts 1:12-15

12Then they returned to Jerusalem from the mount called Olivet, which is from Jerusalem a sabbath day’s journey. 13And when they had come in, they went into an upper room, where abode both Peter, and James, and John, and Andrew, Philip, and Thomas, Bartholomew, and Matthew, James the son of Alphaeus, and Simon Zelotes, and Judas the brother of James. 14These all continued with one accord in prayer and supplication, with the women, and Mary the mother of Jesus, and with his brethren.

15And in those days Peter stood up in the midst of the disciples, and said, (the number of the names together were about an hundred and twenty,)