2 Samuel 21:1-3

1Now there was a famine in the days of David for three years, year after year, so David sought the face of Adonai. Adonai replied, “It is because of Saul and his bloody house, for he put the Gibeonites to death.”

2So the king summoned the Gibeonites and spoke to them. (Now the Gibeonites were not of Bnei-Yisrael but a remnant of the Amorites; however, Bnei-Yisrael had sworn a covenant with them. Yet Saul had tried to eradicate them in his zeal for Bnei-Yisrael and Judah.)

3David asked the Gibeonites, “What should I do for you? How may I make atonement so that you would bless the inheritance of Adonai?”