Shared ground
This short list presents repeated Philistine–Israel conflicts and four separate champion-style victories. Each notice names a place, names the Israelite fighter, and identifies the defeated opponent as connected to “the giant” of Gath. The final summary treats the four deaths as one set and credits them to David’s side—David and his servants—highlighting that the king’s wars were carried by a wider circle of skilled warriors.
The passage also reinforces how the story portrays Philistine threats: not just ordinary soldiers, but intimidating figures marked by size, family reputation, and striking weapon or body details (like the “weaver’s beam” spear staff and the man with extra fingers and toes). Those details function to underline the scale of the threat and the significance of the victories.
Where interpretation differs (only where needed)
Two phrases invite more than one reasonable reading.
First, the line that Elhanan killed “Goliath the Gittite’s brother” raises questions because another well-known story says David killed Goliath. Some readers think this report conflicts with that earlier account. Others think the wording is meant to distinguish this opponent from Goliath (for example, a relative of Goliath), so the accounts can fit together.
Second, the closing line “they fell by the hand of David, and by the hand of his servants” can be read either as direct participation by David in these victories or as a way of assigning the victories to David’s command and cause, even when named fighters did the killing (using “hand” as a standard way to say “by the action/power of,” hand).
Why the disagreement exists
The passage is extremely compact, and it assumes the reader already knows other battle traditions about David, Goliath, and Philistine champions. Because the writer summarizes events rather than narrating them in detail, readers must infer how to align this list with other accounts and how to take broad credit language (“by the hand of David”) alongside specific attributions (“Sibbecai killed… Elhanan killed… Jonathan killed…”).
What this passage clearly contributes
Explicitly, it reports four champion-killings during recurring wars with the Philistines: Sibbecai kills Saph at Gob; Elhanan kills a giant-linked opponent at Gob whose spear is described as massive; Jonathan kills a defiant, unusually formed man at Gath; and all four are grouped as “born to the giant in Gath.” Theologically by inference, it supports a picture of David’s reign in which the king’s security and victories are not a solo achievement but the work of a loyal fighting force whose wins are still counted as David’s wins because they belong to his rule and his people (compare the nearby setup in 2 Samuel 21:15 where David needs rescue).