Keywords: Lady Ann Somerset, Countess of Northampton, attributed to Jean-Étienne Liotard (1702-1789).jpg Artwork en Lady Ann Somerset Countess of Northampton at the age of about 14 century 18 pastel vellum cm 60 7 45 7 unknown Christie's online 5529694 other versions PD-old-100 Pastel portraits by Jean-Étienne Liotard 18th-century portrait paintings location missing 1755c Ann Somerset Countess of Northampton 1755c 18th-century portrait paintings not categorised by year 18th-century pastel portraits of women at half length 1755c Turquerie in portrait paintings |