The Empires of Yvon have their nobles families and they all have different ranks and different names for these ranks.
The ranks of nobility for the Aurora Empire are the following(Highest to Lowest):
[Highest Rank]
-Emperor/Empress(Rule over the Empire)
-Royal Advisor
-Grand Duke/Duchess(Rule over the different parts of the Empire, South,West, etc.)
-Grand Prince/Princess
[High Rank]
-Duke/Duchess(Rule over Duchies)
-Prince/Princess
-King/Queen(Rule over kingdoms)
-Minor Prince/Princess
-Marquis/Marchioness(Rule over cities)
-Count/Countess(Rule towns)
[Low Rank]
-Viscount/Viscountess(Rule over large villages)
-Baron/Baroness(Rule over villages)
-Baronet(Title cannot be inherited by their children)
-Knight(Title cannot be inherited by their children)