the name given to the noble class of russia is
Russian nobility The Russian nobility (Russian: дворянство dvoryanstvo) arose in the 14th century. Its members (1,900,000 at 1914, 1.1%) staffed most of the Russian government apparatus until the February Revolution of 1917.
Russian Empire The Russian Empire (also known as Imperial Russia, Tsarist Russia and Pre-revolutionary Russia) was an empire that existed from 1721 until proclamation of the Republic by the Provisional Government that took power after the February Revolution of 1917.[5]