Judges 21:7

What will we do for them--for the [ones] being left over--for wives? For we have sworn by Yahweh not to give to them our daughters as wives."

Judges 21:1

The men of Israel had sworn at Mizpah, saying, "None of us will give his daughter to Benjamin as a wife."

Judges 21:18

But we cannot give them wives from our daughters." (For the {Israelites} swore, saying, "Cursed be [anyone] who gives a wife to Benjamin.")

1 Samuel 14:28-29

Then a man from the army informed [him] and said, "Your father made the army swear a solemn [oath], saying, 'Cursed be the man who eats food today,'" so the army [is] exhausted.

1 Samuel 14:45

But the army said to Saul, "Must Jonathan die, who accomplished this great victory in Israel? Far from it! As Yahweh lives, not a hair from his head will fall to the ground, for he has worked with God this day." So the army ransomed Jonathan and he did not die.

Treasury of Scripture Knowledge

Summary

How shall we do for wives for them that remain, seeing we have sworn by the LORD that we will not give them of our daughters to wives?

Bible References

Sworn

Judges 21:1
The men of Israel had sworn at Mizpah, saying, "None of us will give his daughter to Benjamin as a wife."
1 Samuel 14:28
Then a man from the army informed [him] and said, "Your father made the army swear a solemn [oath], saying, 'Cursed be the man who eats food today,'" so the army [is] exhausted.