2 Kings 14:17
“And Amaziah the son of Joash king of Judah lived after the death of Jehoash son of Jehoahaz king of Israel fifteen years.”
Now the rest of the acts of Jehoash which he did, and his might, and how he fought with Amaziah king of Judah, are they not written in the book of the chronicles of the kings of Israel?
And Jehoash slept with his fathers, and was buried in Samaria with the kings of Israel; and Jeroboam his son reigned in his stead.
And Amaziah the son of Joash king of Judah lived after the death of Jehoash son of Jehoahaz king of Israel fifteen years.
And the rest of the acts of Amaziah, are they not written in the book of the chronicles of the kings of Judah?
Now they made a conspiracy against him in Jerusalem: and he fled to Lachish; but they sent after him to Lachish, and slew him there.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“In the fifteenth year of Amaziah the son of Joash king of Judah Jeroboam the son of Joash king of Israel began to reign in Samaria, and reigned forty and one years.”
“And Amaziah the son of Joash king of Judah lived after the death of Joash son of Jehoahaz king of Israel fifteen years.”
“In the second year of Joash son of Jehoahaz king of Israel reigned Amaziah the son of Joash king of Judah.”
“In the thirty and seventh year of Joash king of Judah began Jehoash the son of Jehoahaz to reign over Israel in Samaria, and reigned sixteen years.”
“And Amaziah the son of Joash king of Judah lived after the death of Joash son of Jehoahaz king of Israel fifteen years.”