'Oath' in the Bible

Now the angel of the Lord came up from Gilgal to Bochim. And he said, *** I took you out of Egypt, guiding you into the land which I gave by an oath to your fathers; and I said, My agreement with you will never be broken by me:

Wherever they went out, the hand of the Lord was against them for evil, as the Lord had taken his oath it would be; and things became very hard for them.

So Jephthah went with the elders of Gilead, and the people appointed him head and military commander over them. Jephthah uttered everything he had to say with the solemnity of an oath in the LORD's presence at Mizpah.

And Jephthah took an oath to the Lord, and said, If you will give the children of Ammon into my hands,

When he saw her, he ripped his clothes and said, "Oh no! My daughter! You have completely ruined me! You have brought me disaster! I made an oath to the Lord, and I cannot break it."

She said to him, "My father, since you made an oath to the Lord, do to me as you promised. After all, the Lord vindicated you before your enemies, the Ammonites."

And at the end of two months she went back to her father, who did with her as he had said in his oath: and she had never been touched by a man. So it became a rule in Israel,

Then they said to him, We have come down to take you and give you up into the hands of the Philistines. And Samson said to them, Give me your oath that you will not make an attack on me yourselves.

And he said to his mother, The eleven hundred shekels of silver which were taken from you, about which you took an oath and said in my hearing, I have given this silver to the Lord from my hand for myself, to make a pictured image and a metal image: see, I have the silver, for I took it: so now I will give it back to you. And his mother said, May the blessing of the Lord be on my son.

The men of Israel had sworn an oath at Mizpah: “None of us will give his daughter to a Benjaminite in marriage.”

And the children of Israel said, Who is there among all the tribes of Israel that came not up with the congregation unto the LORD? For they had made a great oath concerning him that came not up to the LORD to Mizpeh, saying, He shall surely be put to death.

What can we do to find wives for the survivors who remain, since we've already taken an oath in the LORD's presence not to give them any of our daughters in marriage?"

But we can't allow our daughters to marry them, for the Israelites took an oath, saying, 'Whoever gives a woman to a Benjaminite will be destroyed!'

When their fathers or brothers come to us and protest, we will tell them, ‘Show favor to them, since we did not get enough wives for each of them in the battle. You didn’t actually give the women to them, so you are not guilty of breaking your oath.’”