Joshua 9:15

9:15 Joshua made a peace treaty with them and agreed to let them live. The leaders of the community sealed it with an oath.

Joshua 9:19-20

9:19 but all the leaders told the whole community, “We swore an oath to them in the name of the Lord God of Israel. So now we can’t hurt them! 9:20 We must let them live so we can escape the curse attached to the oath we swore to them.”