All the great things that Jehoash did, including how he fought against King Amaziah of Judah, are written in the book, The History of the Kings of Israel.
Jehoash died and was buried with his ancestors. He was buried in Samaria with the kings of Israel. Jehoash’s son Jeroboam became the new king after him.
King Jeroboam son of Jehoash of Israel began to rule in Samaria during the 15th year that Amaziah son of Joash was king of Judah. Jeroboam ruled 41 years.