¶ Jehoiachin [was] eight years old when he began to reign, and he reigned three months and ten days in Jerusalem: and he did [that which was] evil in the sight of the LORD.
Berean Study Bible (BSB) - 2 Chronicles 36:9 >Jehoiachin was eighteen years old when he became king, and he reigned in Jerusalem three months and ten days. And he did evil in the sight of the LORD.