Elizabeth Hempstead Elliot Mount Shepard Alonzo Mount (1804-1868)

The picture has something of this: woman, people, portrait, girl, fashion, dress, model, beautiful, glamour, elegant, brunette, sit, veil, retro, indoors, jewelry, luxury.
Perhaps it’s a portrait of a woman in a white dress with a flower in her hair, holding a book in her left hand.