Chevalière d'Éon

French diplomat, spy and soldier (1728–1810)

Charlotte d'Éon de Beaumont (5 October 1728 – 21 May 1810), usually known as the Chevalière d'Éon or the Chevalier d'Éon, was a French diplomat, spy, and soldier. D'Éon fought in the Seven Years' War, and spied for France while in Russia and England. Assigned male at birth, D'Éon had androgynous physical characteristics and natural abilities as a mimic and spy.

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