Pictures of young people by Swiss painter Jean-Étienne Liotard. Living from 1702 to 1789, he is best known for his pastel portraits.

Princess Louisa Anne.  1754.
Princess Louisa Anne. 1754. Image © Royal Collection Trust. Fair use license. via https://www.bsecs.org.uk/criticks-reviews/jean-etienne-liotard/
"Avec une Poupee/Marianne Liotard Holding a Doll." 1765.
“Avec une Poupee/Marianne Liotard Holding a Doll.” 1765. Pastel on parchment. Collection of Schönbrunn Palace, Vienna. In the public domain in the United States because the artist has been dead over 70 years. via https://neiljeffares.wordpress.com/2016/01/06/mlle-liotard-playing-with-her-doll-some-puzzles/
Princess Caroline Mathilda. 1754.
Princess Caroline Mathilda. 1754. Pastel on vellum. Royal Collection Trust. In the public domain because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Caroline_Matilda_1754_by_Liotard.jpg
Prince Henry Benedict Clement Stuart (1725–1807), Cardinal York and younger brother of Prince Charles Edward Stuart.
Prince Henry Benedict Clement Stuart (1725–1807), Cardinal York and younger brother of Prince Charles Edward Stuart. 18th c. Image and photo credit © National Galleries of Scotland, Scottish National Portrait Gallery. Fair use license. via https://artuk.org/discover/artworks/prince-henry-benedict-clement-stuart-17251807-cardinal-york-and-younger-brother-of-prince-charles-edward-stuart-212866
"Children Blowing Soap Bubbles." 18th c.
“Children Blowing Soap Bubbles.” 18th c. Collection of Schönbrunn Palace, Vienna. In the public domain in the United States because the artist has been dead over 70 years. via https://elismondom.wordpress.com/2012/04/26/genf-a-szepmuveszeti-muzeum-es-liotard/