The Pulpit Commentary - Acts 1:13
The upper chamber for an upper room, A.V.; where they were abiding for where abode, A.V.; son of James for brother of James, A.V. The upper chamber ; perhaps the same room where they had eaten the Passover with Christ ( Luke 22:12 ); but this is very uncertain, though affirmed by Epiphanius, and by Nicephorus, who further relates that the very house in which the upper chamber was built into the back part of the temple which the Empress Helena erected on Mount Sion. The word... read more
The Pulpit Commentary - Acts 1:12-26
The interval between the Ascension and Pentecost. I. THE SCENE IN THE UPPER ROOM . Obedient to the Lord's command, the disciples return to Jerusalem. A certain upper chamber, probably in a private dwelling, became the first Christian Church. Epiphanius says that when Hadrian came to Jerusalem, he found the temple desolate and but few houses standing. This "little church of God," however, remained; and Nicephorus says that the Empress Helena enclosed it in her larger church.... read more