King James Version (KJV) - 2 Kings 21:1 >

Manasseh [was] twelve years old when he began to reign, and reigned fifty and five years in Jerusalem. And his mother’s name [was] Hephzi-bah.

Berean Study Bible (BSB) - 2 Kings 21:1 >

Manasseh was twelve years old when he became king, and he reigned in Jerusalem fifty-five years. His mother’s name was Hephzibah.