Samuel of Ugglas (1750-1812), Count, Governor, Chief of Presidents, Chamber of Commerce, President of the Kingdom, One of the Gentlemen Ulrika Fredrika Pasch (1735-1796)

The picture has something of this: people, wear, woman, veil, jewelry, necklace, man, royalty, outfit, costume, traditional, dress, portrait, Renaissance.
Perhaps it’s a painting of a man in a red outfit standing next to a table with a dog sitting on top of it in front of a curtained window.