1 Samuel 20:15

and do not cut off your steadfast love from my house forever, when the LORD cuts off every one of the enemies of David from the face of the earth."

2 Samuel 21:7

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

1 Samuel 24:21

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

2 Samuel 9:1-7

And David said, "Is there still anyone left of the house of Saul, that I may show him kindness for Jonathan's sake?"

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

Thou shalt

1 Samuel 24:21
Swear to me therefore by the LORD that you will not cut off my offspring after me, and that you will not destroy my name out of my father's house."
2 Samuel 9:1
And David said, "Is there still anyone left of the house of Saul, that I may show him kindness for Jonathan's sake?"
2 Samuel 21:7
But the king spared Mephibosheth, the son of Saul's son Jonathan, because of the oath of the LORD that was between them, between David and Jonathan the son of Saul.

General references

1 Samuel 23:18
And the two of them made a covenant before the LORD. David remained at Horesh, and Jonathan went home.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.