2 Kings 12:1-2

1In the seventh year of Jehu, Jehoash
 Jehoash is an alternate spelling of Joash (son of Ahaziah) as in 11:2; also verses 2, 4, 6, 7, 18
began to reign, and he reigned forty years in Jerusalem. His mother’s name was Zibiah of Beersheba.
2And Jehoash did what was right in the eyes of the Lord all his days, because Jehoiada the priest instructed him.
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