Joas [was] seven years old when he began to reign.
WEB
2 Kings 12:1
Jehoash began to reign in the seventh year of Jehu, and he reigned forty years in Jerusalem. His mother’s name was Zibiah of Beersheba.
Parallel Translations
Joas began to reign in the seventh year of Ju, and he reigned forty years in Jerusalem: and his mother's name [was] Sabia of Bersabee.
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.
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