Kammala jumla mai zuwa: Ya yi koyon sana'a a ƙarƙashin Jacques-Louis David kafin ya yi aiki tare da Jean-Baptiste Isabey, ɗan shekara bakwai Guérin, bayan ya sadu da shi a ɗakin aikin David. David ya umurci Guérin ta zana hoton ɗaya cikin 'ya'yansa mata kafin ta yi aure - Guérin ya yarda amma a kan yanayin cewa David zai sa 'yarsa ta zama hotonsa. Marie-Antoinette ta zama babban mai kare shi da mai kare shi. A shekara ta 1792 ya kasance memba na Filles Saint-Thomas na National Guard, tare da wanda ya kare dangin sarauta daga sans-culottes a lokacin yakin basasa.
Zanga-zangar ranar 20 ga Yuni a wannan shekarar.