1 Joash was seven years old when he became king, and he was ruling for forty years in Jerusalem: his mother's name was Zibiah of Beer-sheba.
2 Chronicles 24:1 Cross References - BBE
2 Kings 11:21-12:15
21 And Jehoash was seven years old when he became king.
1 Chronicles 3:11
11 Joram his son, Ahaziah his son, Joash his son,