"Burgrave also rendered as Burggrave (from German: Burggraf, Latin: burgravius, burggravius, burcgravius, burgicomes, also praefectus), was since the medieval period in Europe (mainly Germany) the official ...
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title for the ruler of a castle, especially a royal or episcopal castle, and its territory called a Burgraviate or Burgravate (German Burggrafschaft also Burggrafthum, Latin praefectura).
The burgrave was a "count" in rank (German Graf, Latin comes) equipped with judicial powers, under the direct authority of the Emperor or King, or of a territorial imperial stateāa prince-bishop or territorial lord. The responsibilities were administrative, military and jurisdictional." - (en.wikipedia.org 21.09.2020)