Now it came to pass in the third year of Hoshea the son of Elah, king of Israel, that Hezekiah the son of Ahaz, king of Judah, began to reign.
He was twenty-five years old when he became king, and he reigned twenty-nine years in Jerusalem. His mother's name was Abi the daughter of Zechariah.
References for 2 Kings 18:2
And he did what was right in the sight of the Lord, according to all that his father David had done.
He removed the high places and broke the sacred pillars, cut down the wooden image and broke in pieces the bronze serpent that Moses had made; for until those days the children of Israel burned incense to it, and called it Nehushtan.
References for 2 Kings 18:4
He trusted in the Lord God of Israel, so that after him was none like him among all the kings of Judah, nor who were before him.
For he held fast to the Lord; he did not depart from following Him, but kept His commandments, which the Lord had commanded Moses.
The Lord was with him; he prospered wherever he went. And he rebelled against the king of Assyria and did not serve him.
He subdued the Philistines, as far as Gaza and its territory, from watchtower to fortified city.