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