Portrait of His Grace Prince Platon Aleksandrovich Zubov Johann Baptist Lampi (the Elder) (1751-1830)

The picture has something of this: people, portrait, seat, woman, furniture, sit, room, wear, music, man, outerwear, book bindings, sofa, jacket, pants, indoors.
Perhaps it’s a painting of a man sitting in a chair with a book in one hand and.