He was twenty-five years old when he became king, and he reigned in Jerusalem twenty-nine years. His mother's name was Abi, the daughter of Zechariah.

2 Chronicles 29:1
Hezekiah was twenty-five years old when he became king, and he reigned in Jerusalem twenty-nine years. His mother's name was Abijah, the daughter of Zechariah.

2 Chronicles 29:2
And he did what was right in the eyes of the LORD, just as his father David had done.

Isaiah 38:5
"Go and tell Hezekiah that this is what the LORD, the God of your father David, says: 'I have heard your prayer; I have seen your tears. Behold, I will add fifteen years to your life.

Twenty and five years old was he when he began to reign; and he reigned twenty and nine years in Jerusalem. His mother's name also was Abi, the daughter of Zachariah.