2 Kings 16:5
Then Rezin king of Syria and Pekah son of Remaliah king of Israel came up to Jerusalem to war: and they besieged Ahaz, but could not overcome him.
Cross-reference
2 Kings 15:37 records the same beginning of the Syro-Ephraimite war against Judah, setting the stage for Ahaz's siege.
2 Chronicles 28:5-15 expands the siege story, adding that Judah was defeated and captives later returned, contrasting with 2 Kings' brief note.
Isaiah 7:1 repeats the same siege account nearly verbatim, providing the prophetic context for Immanuel prophecy.
Isaiah 7:2-9 recounts the same crisis and adds Isaiah's call for faith, directly addressing Ahaz's fear during the siege.
Isaiah 7:4-9 delivers God's assurance to Ahaz during the siege, urging faith and warning of consequences of unbelief.
Isaiah 7:14 gives the Immanuel prophecy as a sign to Ahaz during this same siege, promising divine deliverance.
Isaiah 8:6 rebukes Judah for rejecting God's gentle rule and rejoicing in the alliance with Rezin and Pekah.
Isaiah 8:9 warns the conspiring nations that they will be shattered despite their plans.
Isaiah 8:10 declares the counsel of Rezin and Pekah will fail because God is with us (Immanuel).
2 Chronicles 28:16 records Ahaz's plea to Assyria for help, a parallel account of the same event.
Isaiah 8:12 warns not to fear the conspiracy of Rezin and Pekah that is threatening Judah.
1 Kings 11:36 promises a perpetual lamp for David in Jerusalem; the failed siege in 2 Kings 16:5 fulfills that promise of preservation.
1 Kings 15:4 states God gave David a lamp in Jerusalem, which explains why Jerusalem was not overcome in the siege.