19th century Russian Empire

This is an RPG in which you can choose any role and any period from 1721 to 1917.
Some peculiarities: serfdom existed until 1861. Until 1902, bastards could not claim their parents' property or title unless the emperor granted them the title and lands.

hierarchy in the Russian Empire
Titles of the imperial family (in order of seniority):
Tsarevich is the heir to the throne. Address: Your Imperial Highness.
A Grand Duke is the son or grandson of an Emperor (if not heir to the throne). Address: Your Imperial Highness.
Prince of the Imperial Blood – great-grandchildren and more distant descendants of emperors (the title was introduced in 1885). Address: Your Highness.
Titles of nobility from other families (in order of seniority):
"His Serene Highness" is the highest title for persons not belonging to the imperial family. Your Serene Highness.
Prince:
descendants of the appanage princes of Ancient Rus (the title was passed down through the male line);

"Granted" princes—those who received a title from the monarch. Address: Your Excellency.

Count. Address: Your Excellency.

Baron. Address: Your Excellency.

Tatar princes (as well as Mordvin and Kalmyk) were a junior title in the empire, ranking after the barons.
There are also industrialists/merchants/townspeople and peasants
The lowest in status are peasants. Bastards are assigned to all classes except the nobility in all cases, except for entailment.