A friend of Eugène Delacroix, she was a successful portrait painter in the first half of the 19th century. A highly erudite advocate of the portrait genre, she trained numerous pupils in the art of miniature painting and watercolour in her studio, prompting Charles Baudelaire to remark: ‘Madame de Mirbel has the great merit of having been the first to introduce, into the thankless genre of the miniature, the vigorous innovations of serious painting.’