Feudal rank was a formalized system of ranks introduced in the middle ages, similar to military rank. The basic ordering was:
- Emperor, or King, who rules an Empire or Kingdom
- Arch Duke, rules an Arch Duchy, used only by the Hapsburgs in Austria
- Grand Duke, ruling a Grand Dutchy
- Duke, who rules a Dutchy
- Count, who rules a County
- Viscount (vice-count) and Baron, ran estates, but this was not an official ranking
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