Isaiah 37:2
And he sent Eliakim, who was over the household, and Shebna the scribe, and the elders of the priests covered with sackcloth, unto Isaiah the prophet the son of Amoz.
Cross-reference
Isaiah 37:14 shows Hezekiah taking the letter to the temple, a further step in the same narrative as the embassy sent in verse 2.
Isaiah 36:3 introduces the same officials Eliakim and Shebna who are sent here, showing continuity in the story.
Isaiah 36:22 records the same officials reporting to Hezekiah with torn clothes; here Hezekiah sends them to Isaiah for guidance.
Isaiah 22:20 identifies Eliakim as the servant God will call—here he is sent as a messenger to Isaiah, showing his role in the crisis.
2 Kings 18:18 records the same delegation of Eliakim, Shebna, and Joah to the Assyrian commander — a parallel account of this event.
2 Kings 19:2 is the parallel account: Hezekiah sends Eliakim and Shebna with the priests, clothed in sackcloth, to Isaiah.
2 Chronicles 32:20 records Hezekiah and Isaiah praying during the same Assyrian crisis — complementary action to sending the delegation.