1st Samuel 17:14

11 When Saul and all Israel heard those words of the Philistine, they were dismayed, and greatly afraid.

12 Now David was the son of that Ephrathite of Beth-lehem-judah, whose name was Jesse; and he had eight sons: and the man was an old man in the days of Saul, stricken [in years] among men.

13 The three eldest sons of Jesse had gone after Saul to the battle: and the names of his three sons who went to the battle were Eliab the firstborn, and next to him Abinadab, and the third Shammah.

14 David was the youngest; and the three eldest followed Saul.

15 Now David went back and forth from Saul to feed his father`s sheep at Beth-lehem.

16 The Philistine drew near morning and evening, and presented himself forty days.

17 Jesse said to David his son, Take now for your brothers an ephah of this parched grain, and these ten loaves, and carry [them] quickly to the camp to your brothers;