2 Kings 18:1

Now it came to pass in the third year of Hoshea son of Elah king of Israel, that Hezekiah the son of Ahaz king of Judah began to reign.

Cross References

2 Kings 15:30 And Hoshea the son of Elah made a conspiracy against Pekah the son of Remaliah, and smote him, and slew him, and reigned in his stead, in the twentieth year of Jotham the son of Uzziah.
2 Kings 16:2 Twenty years old was Ahaz when he began to reign, and reigned sixteen years in Jerusalem, and did not that which was right in the sight of the LORD his God, like David his father.
2 Kings 18:9 And it came to pass in the fourth year of king Hezekiah, which was the seventh year of Hoshea son of Elah king of Israel, that Shalmaneser king of Assyria came up against Samaria, and besieged it.
1 Chronicles 3:13 Ahaz his son, Hezekiah his son, Manasseh his son,
Matthew 1:9-10 And Ozias begat Joatham; and Joatham begat Achaz; and Achaz begat Ezekias; And Ezekias begat Manasses; and Manasses begat Amon; and Amon begat Josias;