1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
Chapter 31
2And the Philistines followed hard upon Saul and upon his sons; and the Philistines slew Jonathan, and Abinadab, and Malchishua, Saul's sons.6So Saul died, and his three sons, and his armourbearer, and all his men, that same day together.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.