1 Samuel 31 and 2 Samuel 1
The Philistines were fighting fiercely against Israel, killing Saul's sons and finally wounding him critically also. Saul asked his armor-bearer to finish him with his sword, but he was scared and did not comply. Saul then fell on his own sword and died. The Israelites fled and abandoned their towns in defeat. When David and his men learned of the death of Saul and Jonathan, they mourned and wept and fasted. David wrote a lament and ordered that the people of Judah learn his lament: "... Saul and Jonathan--in life they were loved and admired.. how the mighty have fallen in battle... I grieve for you, Jonathan my brother, you were very dear to me..."