Louis Dejean was a member of the group known as "la Bande à Schnegg", a loose association of sculptors composed essentially of Rodin's studio assistants and centred around Lucien Schnegg (1864-1909). The term was coined by Louis Vauxcelles (the critic who more famously named the "fauves") in his review of the Salon de la Société Nationale des Beaux-Arts in 1913.

The group's first show, entitled "Certains", was held in 1904 and included Schnegg, Dejean, Halou, Marque and Rodo. Around 1900, Dejean had begun to exhibit small decorative statuettes of feminine subjects in fashionable dress which were described as "modern Tanagra figurines". At the 1904 Salon of the SNBA, he exhibited a patinated terracotta called La Parisienne or ...