1 Samuel 17:14
David was the youngest; and the three oldest followed Saul.
World English Bible (Public Domain)
In context
Before · 1 Samuel 17:12–13
12Now David was the son of that Ephrathite of Bethlehem Judah, whose name was Jesse; and he had eight sons. The man was an elderly old man in the days of Saul. 13The three oldest 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.
14David was the youngest; and the three oldest followed Saul.