2 Kings 14:1 introduces Amaziah's reign relative to Joash of Israel — 14:17 adds he lived 15 years after Joash's death, synchronizing timelines.

2 Kings 14:2 gives Amaziah's age at accession and reign length — 14:17 notes he lived 15 years after Jehoash's death, a complementary detail.

2 Kings 14:23 dates Jeroboam's reign to Amaziah's 15th year — the same 15-year period after Jehoash's death mentioned in 14:17.

2 Kings 15:1 shows Azariah succeeding Amaziah — Amaziah's lifespan after Jehoash's death in 14:17 connects to his son's reign.

2 Chronicles 25:25-28 gives a parallel account of Amaziah living fifteen years after Jehoash's death and his assassination — same event as 14:17.