1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
17:13And the three eldest of the sons of Jesse had gone and followed Saul to the battle; and the names of his three sons that went to the battle were Eliab the firstborn, and the second to him Abinadab, and the third Shammah.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.