2 Samuel 21:2
And the king called the Gibeonites, and said unto them; (now the Gibeonites were not of the children of Israel, but of the remnant of the Amorites; and the children of Israel had sworn unto them: and Saul sought to slay them in his zeal to the children of Israel and Judah.)
Cross-references
Deuteronomy 7:16 commands destruction of Canaanites, but Israel spared Gibeonites by oath — Saul's attack violated both.
Joshua 9:3-21 recounts the Gibeonite deception and Israel's oath to spare them — the very covenant Saul violated.
Joshua 9:15 records the covenant with the Gibeonites that Israel later violated under Saul, explaining the background.
1 Samuel 15:8 shows Saul sparing Agag; here he destroys Gibeonites — contrasting patterns of disobedience.
1 Samuel 15:9 details Saul sparing Amalek's best; he spares when he should destroy and destroys what he should spare.
Psalm 15:4 praises keeping oaths even to one's own hurt — contrasting with Saul's broken oath to the Gibeonites.
Ezekiel 17:16 condemns a king who despises an oath and breaks covenant — paralleling Saul's violation of the oath to Gibeon.
Genesis 15:16 explains why Amorites like the Gibeonites still existed — God delayed conquest until their sin was full.
Hebrews 6:16 explains the binding nature of oaths — reinforcing the obligation Israel had to the Gibeonites that Saul violated.