Hebrews 6:16

For people swear by something greater than themselves, and in all their disputes an oath is final for confirmation.

Exodus 22:11

an oath by the LORD shall be between them both to see whether or not he has put his hand to his neighbor's property. The owner shall accept the oath, and he shall not make restitution.

Genesis 14:22

But Abram said to the king of Sodom, "I have lifted my hand to the LORD, God Most High, Possessor of heaven and earth,

Genesis 21:23

Now therefore swear to me here by God that you will not deal falsely with me or with my descendants or with my posterity, but as I have dealt kindly with you, so you will deal with me and with the land where you have sojourned."

Genesis 21:30-31

He said, "These seven ewe lambs you will take from my hand, that this may be a witness for me that I dug this well."

Genesis 31:53

The God of Abraham and the God of Nahor, the God of their father, judge between us." So Jacob swore by the Fear of his father Isaac,

Joshua 9:15-20

And Joshua made peace with them and made a covenant with them, to let them live, and the leaders of the congregation swore to them.

2 Samuel 21:2

So the king called the Gibeonites and spoke to them. Now the Gibeonites were not of the people of Israel but of the remnant of the Amorites. Although the people of Israel had sworn to spare them, Saul had sought to strike them down in his zeal for the people of Israel and Judah.

Ezekiel 17:16-20

"As I live, declares the Lord GOD, surely in the place where the king dwells who made him king, whose oath he despised, and whose covenant with him he broke, in Babylon he shall die.

Hebrews 6:13

For when God made a promise to Abraham, since he had no one greater by whom to swear, he swore by himself,

Treasury of Scripture Knowledge

Summary

For men verily swear by the greater: and an oath for confirmation is to them an end of all strife.

Bible References

An oath

Genesis 21:30
He said, "These seven ewe lambs you will take from my hand, that this may be a witness for me that I dug this well."
Genesis 31:53
The God of Abraham and the God of Nahor, the God of their father, judge between us." So Jacob swore by the Fear of his father Isaac,
Exodus 22:11
an oath by the LORD shall be between them both to see whether or not he has put his hand to his neighbor's property. The owner shall accept the oath, and he shall not make restitution.
Joshua 9:15
And Joshua made peace with them and made a covenant with them, to let them live, and the leaders of the congregation swore to them.
2 Samuel 21:2
So the king called the Gibeonites and spoke to them. Now the Gibeonites were not of the people of Israel but of the remnant of the Amorites. Although the people of Israel had sworn to spare them, Saul had sought to strike them down in his zeal for the people of Israel and Judah.
Ezekiel 17:16
"As I live, declares the Lord GOD, surely in the place where the king dwells who made him king, whose oath he despised, and whose covenant with him he broke, in Babylon he shall die.

General references

Genesis 21:24
And Abraham said, "I will swear."
Isaiah 54:9
"This is like the days of Noah to me: as I swore that the waters of Noah should no more go over the earth, so I have sworn that I will not be angry with you, and will not rebuke you.
Micah 7:20
You will show faithfulness to Jacob and steadfast love to Abraham, as you have sworn to our fathers from the days of old.
Luke 1:73
the oath that he swore to our father Abraham, to grant us

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.