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. (18:2)

--2 Chronicles--

Hezekiah began to reign [when he was] five and twenty years old, and he reigned nine and twenty years in Jerusalem. And his mother's name [was] Abijah, the daughter of Zechariah. (29:1)