2 Kings 10:11
So Jehu slew all that remained of the house of Ahab in Jezreel, and all his great men, and his kinsfolks, and his priests, until he left him none remaining.
Cross-reference
In 2 Kings 10:14, Jehu kills 42 relatives of Ahaziah — same pattern of total destruction as in Jezreel.
In 2 Kings 10:17, Jehu wipes out Ahab's house in Samaria — continuing the purge begun in Jezreel.
In 2 Kings 10:19, Jehu gathers Baal's prophets — part of his wider purge, following the killings in Jezreel.
2 Kings 23:20 records Josiah slaughtering idolatrous priests — a parallel purge of Baal worshipers continuing the reform Jehu began.
1 Kings 18:40 has Elijah slaughtering Baal's prophets at Kishon — a direct precedent for Jehu's later massacre of Baal priests.
In 1 Kings 21:22, Elijah prophesies that Ahab's house will be like Jeroboam's and Baasha's — Jehu's massacre fulfills this word.
In 1 Kings 21:21, Elijah prophesies cutting off Ahab's males — Jehu's massacre fulfills this.
In 1 Kings 21:29, God delays Ahab's punishment to his son's days — Jehu executes this delayed judgment.
In Hosea 1:4, God will punish Jehu for the blood of Jezreel — the massacre here brings future judgment.
In 1 Kings 14:10, a similar total destruction is prophesied against Jeroboam's house — showing God's pattern of judgment on sinful dynasties.
In 1 Kings 15:29, Baasha destroys Jeroboam's house completely, just as Jehu destroys Ahab's — another instance of dynastic extermination.
In 1 Kings 16:11, Zimri wipes out Baasha's house, leaving no males — paralleling Jehu's total purge of Ahab's line.