The Game of the Cooking Pot, c. 1744, 49.9x61.7 cm,(3 Pietro Longhi (1701-1785)

The picture has something of this: people, wear, portrait, dress, child, facial expression, group, princess, woman, theater, costume, royalty, son, two, baby, offspring.
Perhaps it’s a painting of a man and a woman in formal dress standing next to each other in front of.