Amigoni, Jacopo – María Antonia Fernanda de Borbón y Farnesio, infanta de España Part 5 Prado Museum

The picture has something of this: veil, dress, Renaissance, baroque, fashionable, jewelry, wear, woman, fashion, model, people, son, theater, royalty, costume, portrait, collection.
Perhaps it’s a painting of a woman in a white dress with a flower in her hand and a child.