Shared ground
These verses present a decisive military reversal: the Philistines engage Israel, Israel’s forces break and run, and the retreat turns into heavy loss on Mount Gilboa. The text treats the defeat as both national (“men of Israel” fleeing and dying) and dynastic (the king’s sons are hunted down and killed).
The narrator also narrows the camera quickly. What starts as a battlefield summary becomes a focused report about Saul’s household. The deaths of Jonathan, Abinadab, and Malchishua are not background details; they mark the collapse of Saul’s line at the moment Israel’s army collapses.
Where interpretation differs
One question is what Mount Gilboa represents in the flow of the fight. Some read it as the place of Israel’s last stand, where soldiers are cut down as they try to hold the ridge. Others read it as the place the fleeing troops reach (or are chased into), where the rout becomes slaughter.
Another question is how to picture “followed hard” (the pursuit). Some take it as close-quarters pressure—relentless chase that prevents escape. Others treat it as a more general statement of tactical advantage: the Philistines kept on pursuing the royal group rather than turning to other targets.
Why the disagreement exists
The passage is intentionally brief. It gives outcomes (flight, many dead, pursuit, named deaths) without describing troop positions, timing, or sequence. That leaves readers to infer battlefield movement and intensity from a few key phrases.
What this passage clearly contributes
Explicitly, it reports a rout (Israel flees), a location of major casualties (Mount Gilboa), and targeted pressure on leadership (Saul and his sons are pursued). It also explicitly names the dead heirs—Jonathan, Abinadab, and Malchishua—as Saul’s sons.
Theologically by inference, the text frames the end of Saul’s reign as public and catastrophic: Israel’s defeat and the destruction of Saul’s immediate line happen together, setting up a crisis of leadership and succession for what follows (see 1 Samuel 31:1–2).