Eight years old - Rather, eighteen (see the marginal reference). Jehoiachin had several wives and (apparently) at least one child Jeremiah 22:28, when, three months later, he was carried captive to Babylon.
Related Commentaries of 2 Chronicles 36:9
2 Chronicles 36:9
9 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.