Sizzo, Prince of Schwarzburg German prince (1860–1926) (1860–1926) Parents Friedrich Günther, Prince of Schwarzburg-Rudolstadt Helene, Prinzessin von Anhalt Children Princess Marie Antoinette of Schwarzburg Friedrich Günther, Prince of Schwarzburg Siblings Helene, Prinzessin von Leutenberg Schwarzburg-Rudolstadt, Prinz Günther Partners Princess Alexandra of Anhalt
