'Oath' in the Bible

They responded: “We will return these things and require nothing more from them. We will do as you say.”So I summoned the priests and made everyone take an oath to do this.

For many in Judah were bound by oath to him, since he was a son-in-law of Shecaniah son of Arah, and his son Jehohanan had married the daughter of Meshullam son of Berechiah.

join with their noble brothers and commit themselves with a sworn oath to follow the law of God given through God’s servant Moses and to carefully obey all the commands, ordinances, and statutes of Yahweh our Lord.

I rebuked them, cursed them, beat some of their men, and pulled out their hair. I forced them to take an oath before God and said: “You must not give your daughters in marriage to their sons or take their daughters as wives for your sons or yourselves!