From Paul Frecker; sepia tone removed and image enlarged by a quarter by gogm. Paul Frecker's not with this image states, "Identified verso as 'Lady Leven,' this is probably the second wife of John Thornton Leslie-Melville, 9th Earl of Leven. Born Sophia Thornton, fourth daughter of Henry Thornton M.P., she married John Thornton Leslie-Melville on 23 April 1834. One of her sons eventually succeeded his half-brother as 11th Earl of Leven.
Sophia, Countess of Leven and Melville, died on 28 June 1887, aged 81. The death was registered in the Wandsworth district of London."