The word marquise indicates a higher rank than a countess in European nobility, so use it respectfully. The marquise attended the Queen's banquet.
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European Nobility
Marquise is often used in historical context related to European, especially French, nobility. The marquise hosted a grand ball at her estate.
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Rarely Used Today
The title marquise is not common in contemporary usage; mostly found in historical or aristocratic discussions. In the historical novel, the marquise played a key role.