1 Chronicles 10:6-8

Young's Literal Translation

⁶ and Saul dieth, and his three sons, and all his house -- together they died.

⁷ And all the men of Israel who [are] in the valley see that they have fled, and that Saul and his sons have died, and they forsake their cities and flee, and the Philistines come and dwell in them.

⁸ And it cometh to pass, on the morrow, that the Philistines come to strip the wounded, and find Saul and his sons fallen in mount Gilboa,