Acts 21:23

So do what we tell you. We have four men who are under a vow.

Acts 18:18

After staying there for quite a while longer, Paul said goodbye to the brothers and sailed for Syria, accompanied by Priscilla and Aquila. He had his hair cut in Cenchrea, since he was under a vow.

Numbers 6:2-7

"Tell the Israelis that a man or woman who commits to the vow of the Nazirite, is to be separated to the LORD,

Treasury of Scripture Knowledge

Summary

Do therefore this that we say to thee: We have four men which have a vow on them;

Bible References

We have

Acts 18:18
After staying there for quite a while longer, Paul said goodbye to the brothers and sailed for Syria, accompanied by Priscilla and Aquila. He had his hair cut in Cenchrea, since he was under a vow.
Numbers 6:2
"Tell the Israelis that a man or woman who commits to the vow of the Nazirite, is to be separated to the LORD,

International Standard Version Copyright © 1996-2008 by the ISV Foundation.