Valeria Hoffmann-Werthemann (1741-1819) was the wife of the ribbon manufacturer and courtier Emanuel Hoffmann (1739-1807).
Painter: Johann Nikolaus Grooth (1723-1797) (signed and dated on the pilaster in the background)Basel, 1761 Oil on canvasDeposit Emanuel Hoffmann-Burckhardt Inv. 1959.251.