The name pair Maria Leopoldine is not unique to this Lady who is probably covered by this Wikipedia article.
Maria Leopoldine wears dress that is neither eighteenth century nor Empire style in this portrait that probably dates to the middle 1790s.
Keywords: Archduchess, Princess, Habsburg family, Wittelsbach family, curly coiffure, vee neckline, fichu, bertha, lace, long tight sleeves, cuffs, waist band, bows, natural waistline, close skirt