Now it came to pass in the third year of Hoshea son of Elah king of Israel, [that] Hezekiah the son of Ahaz king of Judah began to reign.
Berean Study Bible (BSB) - 2 Kings 18:1 >In the third year of the reign of Hoshea son of Elah over Israel, Hezekiah son of Ahaz became king of Judah.