The Gibeonites answered him, "We have no right to demand silver or gold from Saul or his family, nor do we have the right to put anyone in Israel to death."1 "What do you want me to do for you?" David asked.
References for 2 Samuel 21:4
They answered the king, "As for the man who destroyed us and plotted against us so that we have been decimated and have no place anywhere in Israel,
let seven of his male descendants be given to us to be killed and exposed2 before the LORD at Gibeah of Saul--the Lord's chosen3 one." So the king said, "I will give them to you."
References for 2 Samuel 21:6
The king spared Mephibosheth4 son of Jonathan, the son of Saul, because of the oath5 before the LORD between David and Jonathan son of Saul.
References for 2 Samuel 21:7
But the king took Armoni and Mephibosheth, the two sons of Aiah's daughter Rizpah,6 whom she had borne to Saul, together with the five sons of Saul's daughter Merab, whom she had borne to Adriel son of Barzillai the Meholathite.7
References for 2 Samuel 21:8
He handed them over to the Gibeonites, who killed and exposed them on a hill before the LORD. All seven of them fell together; they were put to death8 during the first days of the harvest, just as the barley harvest was beginning.9
References for 2 Samuel 21:9