2 Kings 14:29
And Jeroboam slept with his fathers, even with the kings of Israel; and Zachariah his son reigned in his stead.
Cross-reference
2 Kings 15:8
Historical context
2 Kings 15:8 gives the exact reign length of Zechariah, directly following his accession recorded in 14:29.
2 Kings 15:12
Prophetic fulfillment
2 Kings 15:12 cites the prophecy to Jehu that his dynasty would last four generations—Zechariah, recorded here as successor, fulfills it.
2 Kings 13:13
Parallel
2 Kings 13:13 uses the same 'slept with his fathers' formula for Joash, paralleling Jeroboam's death formula here.