1) Lord 2) Noble 3) Nobleman 
Burgrave (from Burggraf, burggravius, burcgravius, burgicomes) was since the medieval period a title for the ruler of a castle, especially a royal or episcopal castle, as well as a castle district (castellany) or fortified settlement or city. The burgrave was a count in rank (German Graf, Latin Comes) equipped with judicial powers. The title becam...
commander of a German town or castle
• (n.) See Burggrave.
in medieval Germany, one appointed to command a burg (fortified town) with the rank of count (Graf or comes). Later the title became hereditary and ... [1 related articles]
Bur'grave noun [ French] See Burggrave . 
[n] - a nobleman ruling a German castle and surrounding grounds by hereditary right 2. [n] - the military governor of a German town in the 12th and 13th centuries
noun the military governor of a German town in the 12th and 13th centuries
the appointed head of a fortress. · the hereditary governor of a castle or town.