1 Samuel 31:6-8

New Revised Standard Version, Anglicised

⁶ So Saul and his three sons and his armour-bearer and all his men died together on the same day. ⁷ When the men of Israel who were on the other side of the valley and those beyond the Jordan saw that the men of Israel had fled and that Saul and his sons were dead, they forsook their towns and fled; and the Philistines came and occupied them.

⁸ The next day, when the Philistines came to strip the dead, they found Saul and his three sons fallen on Mount Gilboa.