1 Samuel 30:12-13

12part of a cake of pressed figs and two cakes of raisins. He ate and was revived, for he had not eaten any food or drunk any water for three days and three nights.

13David asked him, “Who do you belong to? Where do you come from?” He said, “I am an Egyptian, the slave of an Amalekite. My master abandoned me when I became ill three days ago.