2 Kings 12:1

In the seventh year of Jehu [king of Israel], Jehoash became king [over Judah], and he reigned forty years in Jerusalem. His mother’s name was Zibiah of Beersheba.

2 Kings 9:27

When Ahaziah the king of Judah saw this, he fled by the way of the garden house. Jehu pursued him and said, “Shoot him too, [while he is] in the chariot.” So they shot him at the ascent to Gur, which is by Ibleam. And Ahaziah fled to Megiddo and died there.

2 Kings 11:1-4

When Athaliah the mother of Ahaziah [king of Judah] saw that her son was dead, she arose and destroyed all the royal offspring.

2 Kings 11:21

Jehoash (Joash) was seven years old when he became king.

1 Chronicles 3:11

Joram (Jehoram) his son, Ahaziah his son, Joash his son,

2 Chronicles 24:1-14

Joash was seven years old when he became king, and he reigned for forty years in Jerusalem. His mother’s name was Zibiah from Beersheba.

Treasury of Scripture Knowledge

Summary

In the seventh year of Jehu Jehoash began to reign; and forty years reigned he in Jerusalem. And his mother's name was Zibiah of Beersheba.

Bible References

The seventh

2 Kings 9:27
When Ahaziah the king of Judah saw this, he fled by the way of the garden house. Jehu pursued him and said, “Shoot him too, [while he is] in the chariot.” So they shot him at the ascent to Gur, which is by Ibleam. And Ahaziah fled to Megiddo and died there.
2 Kings 11:1
When Athaliah the mother of Ahaziah [king of Judah] saw that her son was dead, she arose and destroyed all the royal offspring.
2 Chronicles 24:1
Joash was seven years old when he became king, and he reigned for forty years in Jerusalem. His mother’s name was Zibiah from Beersheba.