Francis I, Holy Roman Emperor
Her maternal grandparents were Archduke Ferdinand of Austria-Este and Maria Beatrice Ricciarda d'Este. Ferdinand was the fourteenth child and third son born to Francis I, Holy Roman Emperor, and Maria Theresa of Austria. Maria Beatrice was the eldest daughter of Ercole III d'Este and Maria Teresa Cybo-Malaspina, Duchess of Massa and Princess of Carrara.