2 Samuel 21:7

7 The king spared Mephibosheth. He was the son of Jonathan and the grandson of Saul. David had taken an oath in the sight of the Lord. He had promised to be kind to Jonathan and the family line of his father Saul.

2 Samuel 21:7 Meaning and Commentary

2 Samuel 21:7

But the king spared Mephibosheth, the son of Jonathan, the son
of Saul
As they did not name particular persons, only required seven sons, it was at the option of the king what sons to deliver to them, and therefore kept back Mephibosheth, who is thus described, to distinguish him from a son of Saul's of the same name, after mentioned:

because of the Lord's oath that [was] between them, between David and
Jonathan the son of Saul;
not merely or only out of affection to Mephibosheth, but because of the oath, that he might not be guilty of the same crime Saul was in slaying the Gibeonites.

2 Samuel 21:7 In-Context

5 They answered the king, "Saul nearly destroyed us. He made plans to wipe us out. We don't have anywhere to live in Israel.

6 So let seven of the males in his family line be given to us. We'll kill them. We'll put their dead bodies out in the open in the sight of the Lord. We'll do it at Gibeah of Saul. Saul was the LORD's chosen king." So King David said, "I'll give seven males to you."

7 The king spared Mephibosheth. He was the son of Jonathan and the grandson of Saul. David had taken an oath in the sight of the Lord. He had promised to be kind to Jonathan and the family line of his father Saul.

8 But the king chose Armoni and another Mephibosheth. They were the two sons of Aiah's daughter Rizpah. Saul was their father. The king also chose the five sons of Saul's daughter Merab. Adriel, the son of Barzillai, was their father. Adriel was from Meholah.

9 King David handed them over to the people of Gibeon. They killed them. They put their dead bodies out in the open on a hill in the sight of the Lord. All seven of them died together. They were put to death during the first days of the harvest. It happened just when people were beginning to harvest the barley.