Thomas de Mahy, Marquis de Favras (26 March 1744 – 18 February 1790), was a French aristocrat and supporter of the House of Bourbon during the French Revolution. Often seen as a martyr of the Royalist cause, Favras was executed for his part in “planning against the people of France” under the Count of Provence.
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https://en.wikipedia.org/wiki/Thomas_de_Mahy,_Marquis_de_Favras