Blanche Parish (1851–1924), Lady Shuttleworth John Collier (1850-1934)

The picture has something of this: portrait, people, necklace, woman, wear, dress, fashion, jewelry, girl, model, blouse, hair, retro, brunette, fashionable, sweater, face, youth.
Perhaps it’s a painting of a woman in a white dress with a flower in her left hand and a green.