Judges 21:4-6 King James Version (KJV)
4 And it came to pass on the morrow, that the people rose early, and built there an altar, and offered burnt offerings and peace offerings.
5 And the children of Israel said, Who is there among all the tribes of Israel that came not up with the congregation unto the Lord? For they had made a great oath concerning him that came not up to the Lord to Mizpeh, saying, He shall surely be put to death.
6 And the children of Israel repented them for Benjamin their brother, and said, There is one tribe cut off from Israel this day.