1 Samuel 24:22

Now then swear to me by the Lord, that thou wilt not destroy my seed after me, that thou wilt not blot out my name from the house of my father.

Now then swear to me by the Lord, that you will not destroy my seed after me, that you will not blot out my name from the house of my father.

David swore to Saul. Saul went home, but David and his men went up to the stronghold.