1Sa 1 Samuel, chapter First Book of Samuel, chapter 17
And the three eldest sons of Yishai [I possess] went [and] followed Sha’ul [desired] to the battle: and the names of his three sons that went to the battle [were] ‘Eli’av [My Father is God] the firstborn, and next unto him Avinadav [my father is noble], and the third Shammah [astonishment].1Sa 16:6