2 Kings 18:2

New King James Version

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.

Cross References

Isaiah 38:5

“Go and tell Hezekiah, ‘Thus says the Lord, the God of David your father: “I have heard your prayer, I have seen your tears; surely I will add to your days fifteen years.