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.
Jewish Publication Society of America Version (JPS1917) - 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.