2 Kings 15:1
"In the twenty and seventh year of Jeroboam king of Israel began Azariah son of Amaziah king of Judah to reign."
Cross References (ranked by relevance)
2 Kings 15:13
Shallum the son of Jabesh began to reign in the nine and thirtieth year of Uzziah king of Judah; and he reigned a full month in Samaria.
2 Kings 14:21
And all the people of Judah took Azariah, which was sixteen years old, and made him king instead of his father Amaziah.
2 Chronicles 26:1
Then all the people of Judah took Uzziah, who was sixteen years old, and made him king in the room of his father Amaziah.
2 Kings 15:8
In the thirty and eighth year of Azariah king of Judah did Zachariah the son of Jeroboam reign over Israel in Samaria six months.