1 Samuel 20:15

but also you shall not cut off your kindness from my house forever; no, not when Yahweh has cut off the enemies of David everyone from the surface of the earth."

2 Samuel 21:7

But the king spared Mephibosheth, the son of Jonathan the son of Saul, because of Yahweh's oath that was between them, between David and Jonathan the son of Saul.

1 Samuel 24:21

Swear now therefore to me by Yahweh, that you will not cut off my seed after me, and that you will not destroy my name out of my father's house."

2 Samuel 9:1-7

David said, "Is there yet any who is left of the house of Saul, that I may show him kindness for Jonathan's sake?"

Treasury of Scripture Knowledge

Summary

1 Samuel 20:15

But also thou shalt not cut off thy kindness from my house for ever: no, not when the LORD hath cut off the enemies of David every one from the face of the earth.

Thou shalt

1 Samuel 24:21

2 Samuel 9:1

2 Samuel 21:7

General references

1 Samuel 23:18

Bible References

Thou shalt

Swear now therefore to me by Yahweh, that you will not cut off my seed after me, and that you will not destroy my name out of my father's house."

David said, "Is there yet any who is left of the house of Saul, that I may show him kindness for Jonathan's sake?"

But the king spared Mephibosheth, the son of Jonathan the son of Saul, because of Yahweh's oath that was between them, between David and Jonathan the son of Saul.

General references

They both made a covenant before Yahweh: and David stayed in the woods, and Jonathan went to his house.