Kythiran Nobility
Emperor / Empress: Ruler of the Empire
Crown-Prince / Princess: Successor of the Throne
Prince / Princess: backups of the Crown Prince (as a Von Roterstein, technically Corspin be a Kythiran Prince and Duke, rather than just a Duke, unless you decide to strip him from that title)
High-Lords: Rule Golden Provinces of the Empire
Dukes: Rules Duchies in the larger provinces (large cities + surrounding land.)
Counts: Rule a castle / mansion + village or town + farms and significant land
Barons: Rule a castle with a farm + some land
Knight: Lives in a castle owned by a count or baron, referred as Sir
Archbishop: Controls all the churches / cathedrals in one province