Manasseh was twelve years old when he began to reign; and he reigned fifty and five years in Jerusalem.
King James Version (KJV) - 2 Chronicles 33:1 >Manasseh [was] twelve years old when he began to reign, and he reigned fifty and five years in Jerusalem:
Berean Study Bible (BSB) - 2 Chronicles 33:1 >Manasseh was twelve years old when he became king, and he reigned in Jerusalem fifty-five years.