Jehoiachin was eighteen years old when he became king, but he reigned in Jerusalem only three months and ten days. Jehoiachin did what was evil in the LORD's sight.
References for 2 Chronicles 36:9
In the spring of the following year, Jehoiachin was summoned to Babylon by King Nebuchadnezzar. Many treasures from the Temple of the LORD were taken to Babylon at that time. And Nebuchadnezzar appointed Jehoiachin's uncle, Zedekiah, to be the next king in Judah and Jerusalem.
References for 2 Chronicles 36:10
Zedekiah was twenty-one years old when he became king, and he reigned in Jerusalem eleven years.
He did what was evil in the sight of the LORD his God, and he refused to humble himself in the presence of the prophet Jeremiah, who spoke for the LORD.
He also rebelled against King Nebuchadnezzar, even though he had taken an oath of loyalty in God's name. Zedekiah was a hard and stubborn man, refusing to turn to the LORD, the God of Israel.
All the leaders of the priests and the people became more and more unfaithful. They followed the pagan practices of the surrounding nations, desecrating the Temple of the LORD in Jerusalem.