Complex sentence: In 1791, she expressed a wish that Potyomkin should be the successor to the king of Poland, and for many years, there were rumours in Poland that Potyomkin had plans to make her children heirs to the Polish throne.
Split into simpler sentences: In 1791, she expressed a wish that Potyomkin should be the successor to the king of Poland. For many years, there were rumours in Poland that Potyomkin had plans to make her children heirs to the Polish throne.