One of Four Portraits of Horses James Seymour (1702-1752)

The picture has something of this: cavalry, motion, people, action energy, competition, action, seated, hurry, horse, mammal, recreation, man, race, two, girl, beach, leisure, equestrian, woman.
Perhaps it’s a painting of a man riding on the back of a brown horse with a white horse in the foreground and a blue sky in the background.