1 Samuel 24:21-22 King James 2000 (KJ2000)

21. Swear now therefore unto me by the LORD, that you will not cut off my descendants after me, and that you will not destroy my name out of my father's house.

22. And David swore unto Saul. And Saul went home; but David and his men got themselves up unto the stronghold.

1 Samuel 24