2 Kings 12:1 In the seventh year of Jehu began Jehoash to reign; and he reigned forty years in Jerusalem; and his mother's name was Zibiah of Beer-sheba. (See RSV)
2 Chronicles 24:1 Joash was seven years old when he began to reign; and he reigned forty years in Jerusalem; and his mother's name was Zibiah of Beer-sheba. (See RSV)