Ernestine Panckoucke née Désormeaux (1784-1860), botanical illustrator of François-Pierre Chaumeton's "Flore médicale" (1818)
Around 1780, the chevalier de Keralio and the editor Panckoucke signed a contract to edit 4 volumes on "Art militaire" in the Encyclopédie Méthodique, published from 1784 to 1787, for which he wrote a preliminary discourse and several articles.