2 Kings 24:17-18
New International Version (NIV)
17 He made Mattaniah, Jehoiachin’s uncle, king in his place and changed his name to Zedekiah.
Zedekiah King of Judah
18 Zedekiah was twenty-one years old when he became king, and he reigned in Jerusalem eleven years. His mother’s name was Hamutal daughter of Jeremiah; she was from Libnah.