2 Kings 15:38
And Jotham slept with his fathers, and was buried with his fathers in the city of David his father: and Ahaz his son reigned in his stead.
Nave's Topical Index—AKJV

2 Kings 16:1
In the seventeenth year of Pekah the son of Remaliah Ahaz the son of Jotham king of Judah began to reign.
Nave's Topical Index—AKJV

2 Chronicles 27:9
And Jotham slept with his fathers, and they buried him in the city of David: and Ahaz his son reigned in his stead.
Nave's Topical Index—AKJV

2 Chronicles 28:1
Ahaz was twenty years old when he began to reign, and he reigned sixteen years in Jerusalem: but he did not that which was right in the sight of the LORD, like David his father:
Nave's Topical Index—AKJV