1 Samuel 15:15

15:15 Saul said, “They were brought from the Amalekites; the army spared the best of the flocks and cattle to sacrifice to the Lord our God. But everything else we slaughtered.”

1 Samuel 30:9

30:9 So David went, accompanied by his six hundred men. When he came to the Wadi Besor, those who were in the rear stayed there.