Claim: Joséphine Fodor married the actor Jean-Baptiste Tharaud-Mainvielle in 1812, left St. Petersburg during the Patriotic War of 1812, and moved to France.
Evidence: In 1812, she married Jean-Baptiste Tharaud-Mainvielle, an actor at the French theatre of Saint Petersburg. Shortly afterwards, the couple left St. Petersburg, which was under attack during the French invasion of Russia and went to France via Finland. The French invasion of Russia, known in Russia as the Patriotic War of 1812 (Russian: Отечественная война 1812 года, romanized: Otechestvennaya voyna 1812 goda) and in France as the Russian campaign (French: Campagne de Russie), began on 24 June 1812 when Napoleon's Grande Armée crossed the Neman River in an attempt to engage and defeat the Russian Army.