Melachim Bais 15:1-2

Orthodox Jewish Bible

15 In the 27th shanah of Yarov`am Melech Yisroel began Azaryah Ben Amatzyah Melech Yehudah to reign as melech.

² 16 years old was he when he began to reign as melech, and he reigned 52 shanah in Yerushalayim. And shem immo was Yecholyahu of Yerushalayim.