There a wide variety of titles in use in Oceana. This is organized in two ways. First is by culture with a list of titles from highest to lowest. Second, a table to show relative precedence.
Emperor - roman title, Imperator or roman for commander
King / Queeen
Prince - originially roman, latin form is Princeps or principal.
Count - originially a Roman civilian title for an imperial official who was a courtier or associated with the Imperial court. out ranked a Dux, or Duke. later became a companion to a king. .
Patrician
Senator
Duke / Duchess - originially a Roman military leader.
Marquis - a count in charge of the marches or border regions.
Earl - from the anglo-saxon. also known as Jarl
Autocrat - Greek
Strategos - Greek military governor
Baron