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Louis-Jules Barbon Mancini-Mazarini, 10th Duc de Nevers

(b. Dec. 16, 1716, Paris, Île-de-France, France – d. Feb. 25, 1798, Paris, Île-de-France, France )

Gender: M

Louis-Jules Barbon Mancini-Mazarini, duc de Nevers (1716-1798), known as Nivernois, was French ambassador to Britain from 1762-1763. At the age of 14 he was married to the 15-year-old Hélène-Françoise-Angélique Phélypeaux de Pontchartrain (1715–1781). Montagu had frequently met him and his wife in London.

Also known as:

  • French Ambassador to Britain
  • 10th Duc de Nevers
  • Duke of Nivernois


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