'Swear' in the Bible

Now therefore swear unto me here by God that thou wilt not deal falsely with me, nor with my son, nor with my son's son: but according to the kindness that I have done unto thee, thou shalt do unto me, and to the land wherein thou hast sojourned.

And Abraham said, I will swear.

and said, "I have taken an oath to swear by myself," declares the LORD, "that since you have carried this out and have not withheld your only unique son,

And I will make thee swear by the LORD, the God of heaven, and the God of the earth, that thou shalt not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:

And my master made me swear, saying, Thou shalt not take a wife to my son of the daughters of the Canaanites, in whose land I dwell:

And Jacob said, Swear to me this day; and he sware unto him: and he sold his birthright unto Jacob.

and rise early in the morning, and swear one to another, and Isaac sendeth them away, and they go from him in peace.

Then Joseph said, “I swear that I will not do this. The man in whose possession the cup was found will be my slave. The rest of you can go in peace to your father.”

And he said, Swear unto me. And he sware unto him. And Israel bowed himself upon the bed's head.

My father made me swear, saying, Lo, I die: in my grave which I have digged for me in the land of Canaan, there shalt thou bury me. Now therefore let me go up, I pray thee, and bury my father, and I will come again.

And Pharaoh said, Go up, and bury thy father, according as he made thee swear.

And Joseph causeth the sons of Israel to swear, saying, 'God doth certainly inspect you, and ye have brought up my bones from this place.'