LOUIS-PHILIPPE, DUC D’ORLEANS, IN A SWISS LANDSCAPE Horace Vernet (1789-1863)

The picture has something of this: people, tree, water, two, rock, wear, woman, river, outdoors, recreation, man, motion, daylight, light, group.
Perhaps it’s a painting of a man in a black suit and white shirt sitting on a rock in a wooded area with a tree and mountain in the background.