Paul I of Russia
Paul I (; "Pavel Petrovich") ( – ) reigned as Emperor of Russia between 1796 and 1801. Officially, he was the only son of Peter III and Catherine the Great, though Catherine hinted that he was fathered by her lover Sergei Saltykov, who also had Romanov blood, being a descendant of the first Romanov tsar's sister, Tatiana Feodorovna Romanova.
Grand Duke Paul Alexandrovich of Russia
Grand Duke Paul's brother, Tsar Alexander III, died on and Paul's nephew, Nicholas II, became the new Tsar. There was only an eight-year gap between uncle and nephew and Paul had known Nicholas II's wife, Alexandra Feodorovna, since she was a little girl, when in his youth he made many visit to his mother's native Darmstadt. Therefore, Grand Duke Paul was well-liked by the new Tsar and Tsarina.