1 Samuel 17:12-17

12Now David was the son of a man named Jesse, an Ephrathite from Bethlehem of Judah who had eight sons. And in the days of Saul, Jesse was old and well along in years.1 13The three older sons of Jesse had followed Saul into battle: The firstborn was Eliab, the second was Abinadab, and the third was Shammah. 14And David was the youngest.

The three oldest had followed Saul, 15but David went back and forth from Saul to tend his father’s sheep in Bethlehem.

16For forty days the Philistine came forward every morning and evening to take his stand.

17One day Jesse said to his son David, “Take this ephah of roasted grain2 and these ten loaves of bread for your brothers and hurry to their camp.