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.
Nikita Petrovich Panin
Count Nikita Petrovich Panin (Russian: Ники́та Петро́вич Па́нин) (1770–1837), a Russian diplomat, vice-chancellor, State Chancellor 6 October 1799 – 18 November 1800 (acting) and Foreign Minister of Russia. He was a nephew of Count Nikita Ivanovich Panin, son of Petr Ivanovich Panin, son-in-law of Count . Nikita P. Panin plotted the assassination of Paul I of Russia together with Count Peter Ludwig von der Pahlen and the Russo-Neapolitan Admiral José de Ribas. Ribas died before the assassination, which was actually carried out on 23 March [O.S. 11 March] 1801 by a band of dismissed officers headed by General Bennigsen, a Hanoverian in the Russian service, and General Yashvil, a Georgian. The assassination brought Alexander I of Russia to the throne.