Complex sentence: Because of this, Prince Sizzo was not entitled to use the title Prince of Schwarzburg-Rudolstadt, instead he was created Prince of Leutenberg on June 21,1860.
Split into simpler sentences: Because of this, Prince Sizzo was not entitled to use the title of Prince of Schwarzburg-Rudolstadt. Instead, he was created Prince of Leutenberg on June 21,1860.