Charlotte Stuart, Viscountess Canning Franz Xavier Winterhalter (1805-1873)

The picture has something of this: portrait, woman, people, girl, model, veil, fashion, face, lady, dark, beautiful, nude, profile, dress, studio, jewelry, hair.
Perhaps it’s a portrait of a woman in a white dress with her hair in a bun and a gold brooch on her left side of her left ear.