Contradiction with 1 Chronicles 6:28
This verse lists the sons of Samuel as Joel, the firstborn, and Abiah, the second, which may contradict 2 Samuel 2:18 regarding mentions of sons of Samuel depending on genealogical context.
1 Chronicles 6:28: And the sons of Samuel; the firstborn Vashni, and Abiah. [Vashni: called also Joel]
Contradiction with 1 Samuel 31:2
In this verse, the Philistines slay Jonathan and Abinadab, which appears to contrast with 2 Samuel 2:18 where Asahel is noted for his speed, suggesting a discrepancy in focusing on individuals in battle narratives.
1 Samuel 31:2: And the Philistines followed hard upon Saul and upon his sons; and the Philistines slew Jonathan, and Abinadab, and Malchishua, Saul's sons.