born July 27, 1768, Saint-Saturnin, near Séez, Normandy, France died July 17, 1793, Paris French political activist. A noblewoman from Caen, she moved to Paris to work for the Girondin cause in the French Revolution. Horrified at the excesses of the Reign of Terror, she sought an interview with Jean-Paul Marat, one of its leaders. On July 13, 1793, she stabbed him through the heart while he was in his bath. Arrested on the spot, she was convicted by the Revolutionary Tribunal and guillotined