The Princess was the daughter of Prince Karl Josef Anton von Auersperg (1720-1800) and Maria Josepha Rosa Trautson, Gräfin Trautson (1724-1792). In 1775 she married Carl Salm-Reifferscheidt (1750-1838), upon whom the title of 'Prince' was bestowed in 1790.
Füger painted this sitter on a number of occasions, both in oil and watercolour.1
Another version of this composition is held in a private collection.2
1. R. Keil, Heinrich Friedrich Füger..., Vienna, 2009, pp. 238, 239 & 243, nos. 134, 135 & 149
2. Ibid, p. 243, no. 149