Italian Brigands Surprised by Papal Troops Horace Vernet (1789-1863)

The picture has something of this: people, group, cavalry, man, woman, two, transportation system, seated, many, recreation, veil, landscape, mammal, outdoors, vehicle.
Perhaps it’s a painting of a group of men riding on the backs of horses on a dirt road next to a building and a man on a horse with a gun.