2 Kings 10:30
And the Lord said unto Jehu, Because thou hast done well in executing that which is right in mine eyes, and hast done unto the house of Ahab according to all that was in mine heart, thy children of the fourth generation shall sit on the throne of Israel.
Cross-reference
2 Kings 13:1 records Jehoahaz, Jehu's son, beginning his reign — the first generation of the promised dynasty.
2 Kings 13:10 records Jehoash, Jehu's grandson, beginning his reign — the second generation of the promise.
2 Kings 14:23 records Jeroboam II, Jehu's great-grandson, beginning his reign — the third generation toward fulfillment.
2 Kings 15:8-12 records Zechariah, the fourth generation, and his assassination — the exact fulfillment of the four-generation promise.
In 2 Kings 15:12, the promise to Jehu from verse 30 is fulfilled — his dynasty lasts four generations.
1 Samuel 15:18-24 rebukes Saul for partial obedience; Jehu is commended for full obedience to God's command.
1 Kings 20:42 pronounces doom on Ahab for sparing Ben-Hadad; Jehu carries out that doom and is rewarded.
1 Kings 21:22 prophesied Ahab's house would be like Jeroboam's; Jehu's execution fulfills that prophecy.
1 Kings 21:29 shows God delaying judgment on Ahab's house; here Jehu is commended for executing that judgment.
Hosea 1:4 threatens vengeance on Jehu's house despite God's promise here — a later reversal.
1 Kings 21:21 is Elijah's prophecy of disaster on Ahab's house, directly fulfilled by Jehu's actions in 2 Kings 10.
Deuteronomy 17:20 ties a king's obedience to his dynasty's length, contrasting with Jehu's partial obedience that earned only four generations.
1 Kings 16:7 records a prophecy against Baasha's dynasty, mirroring the pattern of divine judgment on royal houses that Jehu later executes.