Acts 12:4-6

ABU(i) 4 whom he also seized and put in prison, delivering him to four quaternions of soldiers to keep him; intending after the passover to bring him forth to the people. 5 Peter therefore was kept guarded in the prison; but earnest prayer was made by the church to God on his behalf. 6 And when Herod was about to bring him forth, in that night Peter was sleeping between two soldiers, bound with two chains; and keepers before the door were guarding the prison.