'Swear to Me' in the Bible

Now therefore swear to 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 to thee, thou shalt do to me, and to the land in which thou hast sojourned.

And Jacob said, Swear to me this day; and he swore to him: and he sold his birth-right to Jacob.

And he said, Swear to me: and he swore to him. And Israel bowed himself upon the bed's head.

Now therefore, I pray you, swear to me by the LORD, since I have showed you kindness, that ye will also show kindness to my father's house, and give me a true token:

And they said to him, We have come down to bind thee, that we may deliver thee into the hand of the Philistines. And Samson said to them, Swear to me, that ye will not fall upon me yourselves.

And David said to him, Canst thou conduct me down to this company? And he said, Swear to me by God, that thou wilt neither kill me, nor deliver me into the hands of my master, and I will lead thee down to this company.

And it was told Solomon, saying, Behold, Adonijah feareth king Solomon: for lo, he hath caught hold on the horns of the altar, saying, Let king Solomon swear to me to-day that he will not slay his servant with the sword.