Her daughters Maria Leopoldine and Maria Teresa are also covered in this Site.
Her Wikipedia article is here.

Maria Beatrice d'Este wife of Archduke Ferdinand by Martin van Meytens (Hoffburg, Innsbruck, Tirol, Austria)

Maria Beatrice Ricardia di Este Modena, Duchessa di Modena Ferrara e Reggio with caption on side (location unknown to gogm)
