21:23Now 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.

21:31Wherefore he called that place Beersheba; because there they sware both of them.

26:31And they rose up betimes in the morning, and sware one to another: and Isaac sent them away, and they departed from him in peace.