Judges 11:35-36

11:35 When he saw her, he ripped his clothes and said, “Oh no! My daughter! You have completely ruined me! You have brought me disaster! I made an oath to the Lord, and I cannot break it.” 11:36 She said to him, “My father, since you made an oath to the Lord, do to me as you promised. After all, the Lord vindicated you before your enemies, the Ammonites.”

Judges 21:5

21:5 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.

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.”