#prince  a male member of a royal family other than the sovereign (especially the son of a sovereign)
  supertype:  #aristocrat__blue_blood__patrician  a member of the aristocracy
  instance:  #Cyrus_the_Younger  #Edward_Antony_Richard_Louis  #Prince_Philip  #Prince_Rupert
  member of:  #royal_family
  subtype:  #crown_prince__crownprince  a male heir apparent to a throne
  subtype:  #dauphin  formerly, the eldest son of the King of France and direct heir to the throne
  subtype:  #Archduke  a sovereign prince of the former ruling house of Austria
     instance:  #Francis_Ferdinand__Franz_Ferdinand
  subtype:  #grand_duke__grandduke  a prince who rules a territory
     instance:  #Ivan_III_Vasilievich__Ivan_III__Ivan_the_Great
  subtype:  #maharaja__maharajah  a great raja; a Hindu prince or king in India ranking above a raja
  subtype:  #Elector  any of the German princes who were entitled to vote in the election of new Emperor of the Holy Roman Empire
     instance:  #Frederick_William__the_Great_Elector
  subtype:  #prince_consort  a prince who is the husband of a reigning female sovereign
     instance:  #Albert_Francis_Charles_Augustus_Emmanuel__Albert__Prince_Albert
  subtype:  #Prince_of_Wales  the male heir apparent of the British sovereign
     instance:  #Prince_Charles__Charles  #Edward__Black_Prince

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