Definition of grand duke in English:

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grand duke


1A prince or nobleman ruling over a territory in certain European countries.
Example sentences
  • The official guest list named at least 70 kings, queens, grand dukes, princes, counts and lesser nobles.
  • Whether forced or voluntary, Roman emperors, kings and queens, hereditary princes and grand dukes and, yes, even popes have abdicated.
  • The grand duke of Tuscany, Ferdinand I, in the meantime, showed a new level of independence from Spain by marrying a French princess, and announcing the marriage of his niece Maria to the French king.
2 historical A son (or grandson) of a Russian tsar.
Example sentences
  • Two of his daughters married Russian grand dukes; one became Queen of Italy; another came into the orbit of British royalty by marrying a Battenberg prince.
  • Close relatives of the tsar were called grand princes, usually translated as grand dukes.
  • Destinations outside the city worth adding to your trip include the Kolomenskoe Estate, overlooking the Moskva river, where grand dukes and tsars have spent their summers since the 14th century.

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