Judges 2:15

2:15 Whenever they went out to fight, the Lord did them harm, just as he had warned and solemnly vowed he would do. They suffered greatly.

Judges 21:7

21:7 How can we find wives for those who are left? After all, we took an oath in the Lord’s name not to give them our daughters as wives.”

Judges 21:14

21:14 The Benjaminites returned at that time, and the Israelites gave to them the women they had spared from Jabesh Gilead. But there were not enough to go around.