Ivan VI Antonovich (23 August [O.S. 12 August] 1740 – 16 July [O.S. 5 July] 1764), also known as Ioann Antonovich, was an infant emperor of Russia from October 1740 until he was overthrown by his cousin Elizabeth Petrovna in December 1741. He was only two months old when he was proclaimed emperor and his mother, Anna Leopoldovna, named regent, but the throne was seized in the... Wikipedia