Genesis 14:22

22But Abram said to the king of Sodom, a“I have lifted my hand
Or  I have taken a solemn oath
to the Lord, God Most High, Possessor of heaven and earth,

Genesis 21:23-24

23Now therefore swear to me here by God that you will not deal falsely with me or with my descendants or with my posterity, but cas I have dealt kindly with you, so you will deal with me and with the land where you have sojourned.” 24And Abraham said, “I will swear.”

Genesis 24:3

3that I may make you swear by the Lord, the God of heaven and God of the earth, that dyou will not take a wife for my son from the daughters of the Canaanites, among whom I dwell,

Genesis 26:28-31

28They said, “We see plainly that the Lord has been with you. So we said, let there be a sworn pact between us, between you and us, and let us make a covenant with you, 29that you will do us no harm, just as we have not touched you and have done to you nothing but good and have sent you away in peace. eYou are now the blessed of the Lord.” 30So he made them a feast, and they ate and drank. 31In the morning they rose early and fexchanged oaths. And Isaac sent them on their way, and they departed from him in peace.
Copyright information for ESV