神聖同盟
Karl Robert Reichsgraf von Nesselrode-Ehreshoven, also known as Charles de Nesselrode, (Lisbon, Portugal, 14 December 1780 – Saint Petersburg, 23 March 1862; Russian: Карл Васильевич Нессельроде, "Karl Vasilyevich Nesselrode") was a Russian German diplomat. For forty years (1816-1856) Nesselrode as foreign minister guided Russian policy; he was a leading European conservative statesman of the Holy Alliance.