Van wie was Sergey Vasilevitsj Saltikov?

Count Sergei Vasilievich Saltykov (Russian: Сергей Васильевич Салтыков, IPA: [sʲɪrˈɡʲej vɐˈsʲilʲjɪvʲɪtɕ səltɨˈkof]; c. 1722 – 1784) was a Russian officer (chamberlain) who became the first lover of Empress Catherine the Great after her arrival in Russia.