Then David asked, "Is there anyone left from the house of Saul to whom I can show kindness for the sake of Jonathan?"

1 Samuel 20:14
And as long as I live, treat me with the LORD's loving devotion, that I may not die,

1 Samuel 20:15
and do not ever cut off your loving devotion from my household--not even when the LORD cuts off every one of David's enemies from the face of the earth."

1 Samuel 20:42
And Jonathan said to David, "Go in peace, for the two of us have sworn in the name of the LORD, saying, 'May the LORD be a witness between you and me, and between your descendants and mine forever.'" Then David got up and departed, and Jonathan went back into the city.

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

2 Samuel 9:7
"Do not be afraid," said David, "for surely I will show you kindness for the sake of your father Jonathan. I will restore to you all the land of your grandfather Saul, and you will always eat at my table."

2 Samuel 21:7
Now the king spared Mephibosheth son of Jonathan, the son of Saul, because of the oath before the LORD between David and Jonathan son of Saul.

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