2 Chronicles 24:1

Joash was seven years old when he began to reign, and he reigned forty years in Jerusalem. His mother's name also was Zibiah of Beer-sheba.

2 Kings 11:21-15

Seven years old was Jehoash when he began to reign.

1 Chronicles 3:11

Joram his son, Ahaziah his son, Joash his son,

Treasury of Scripture Knowledge

Summary

Joash was seven years old when he began to reign, and he reigned forty years in Jerusalem. His mother's name also was Zibiah of Beersheba.

Bible References

Joash

2 Kings 11:21
Seven years old was Jehoash when he began to reign.
2 Kings 12:1
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 Beer-sheba.