Her Wikipedia article, with a link to this image, is here.
Theodolinde's dress is almost early "Victorian" in this 1836 Dürk portrait that strongly resembles Stieler's works in Munich's Schönheitengallerie.
Keywords: 1836, Dürck, Théodolinde von Leuchtenberg, Théodolinde de Beauharnais, Théodelinde von Leuchtenberg, Théodelinde de Beauharnais, Gräfin von Württemberg, Beauharnais family, Württemberg family, Princess, Countess, neo-hurluberlu coiffure, braided bun, ferroniere, pleated bodice, dual upper puffed sleeves, vee waistline, darts, full skirt, necklace, robes