Madame Louise-Elisabeth with her Two-Year old Son, detail, by Adelaide Labille-Guiard, 1787.

https://www.bc.edu/bc_org/avp/cas/his/CoreArt/art/anc_lab_eliz.html

https://www.getty.edu/art/collection/artists/3524/adlade-labille-guiard-french-1749-1803/