2 Kings 10:17
And when he came to Samaria, he slew all that remained unto Ahab in Samaria, till he had destroyed him, according to the saying of the Lord, which he spake to Elijah.
Cross-reference
In 2 Kings 10:10, Jehu himself declares that God's word against Ahab is being fulfilled — this is the same narrative moment.
2 Kings 10:11 describes the same slaughter of Ahab's house in Jezreel — a parallel account of the judgment Jehu executes here in Samaria.
2 Kings 9:8 contains the prophecy that Ahab's whole house would perish — this verse fulfills that word spoken through Elijah.
2 Kings 9:25 recalls the prophecy of Ahab's blood at Naboth's field — part of the same judgment Jehu now completes.
2 Kings 9:26 continues the prophecy about Ahab's blood being required — directly connected to the purge here.
1 Kings 21:21 is Elijah's prophecy that Jehu's massacre fulfills — 'I will cut off Ahab's posterity'.
2 Chronicles 22:8 gives the parallel account of Jehu killing the princes of Judah — same event from a different historical source.
Hosea 1:4 condemns the 'blood of Jezreel' and promises vengeance on Jehu — contrasting this 'obedience' with later judgment.