2 Samuel 21:8-11

8The king took the two sons of Rizpah the daughter of Aiah, whom she bore to Saul, Armoni and Mephibosheth; and the five sons of Merab the daughter of Saul, whom she bore to Adriel the son of Barzillai the Meholathite;

9and he gave them into the hands of the Gibeonites, and they hanged them on the mountain before the Lord, and the seven of them perished together. They were put to death in the first days of harvest, at the beginning of barley harvest.

10Then Rizpah the daughter of Aiah took sackcloth and spread it for herself on the rock, from the beginning of harvest until rain fell upon them from the heavens. And she did not allow the birds of the air to come upon them by day, or the beasts of the field by night.

11When David was told what Rizpah the daughter of Aiah, the concubine of Saul, had done,