Marie-Joseph (1757-1834), Marquis de La Fayette Martin Drolling (1752-1817)

The picture has something of this: people, wear, man, portrait, woman, sit, two, outdoors, seat, pants, facial expression, sitting, position, furniture, recreation, outfit, outerwear, leisure.
Perhaps it’s a painting of a man in a suit sitting on a bench in a wooded area with a cane in his hand.