Judges 21:4-6 New English Translation (NET Bible)
4 The next morning the people got up early and built an altar there. They offered up burnt sacrifices and tokens of peace. 5 The Israelites asked, “Who from all the Israelite tribes has not assembled before the Lord?” They had made a solemn oath that whoever did not assemble before the Lord at Mizpah must certainly be executed. 6 The Israelites regretted what had happened to their brother Benjamin. They said, “Today we cut off an entire tribe from Israel!