Acts 12:5
5 vSo Peter was kept in prison, but earnest prayer for him was made to God by the church.
Acts 12:12
12 When he realized this, he went to the house of Mary, the mother of John whose other name was Mark, where many were gathered together and were praying.
Philemon 22
22 At the same time, prepare a guest room for me, for vI am hoping that wthrough your prayers I will be graciously given to you.