Jeremiah 52:1

52:1 Zedekiah was twenty-one years old when he began to reign; and he reigned eleven years in Jerusalem: and his mother's name was Hamutal the daughter of Jeremiah of Libnah.
-World English Bible

Other Translation

52:1 Zedekiah [was] one and twenty years old when he began to reign, and he reigned eleven years in Jerusalem. And his mother's name [was] Hamutal the daughter of Jeremiah of Libnah.
-King James Version