She excluded her elder son from the funeral of her husband as disloyal to his father's traditionalist Carlism, recognizing instead the claim to Carlist leadership and to Lignières of her younger son, Prince Sixtus Henry of Bourbon-Parma, (self-proclaimed) Duke of Aranjuez, who continued the rivalry with his brother as Carlist pretender.
She made the decision not to allow her older son to participate in the funeral rites for her husband, viewing this choice as a demonstration of disloyalty to his father's traditionalist Carlism. At the same time, she recognized the claim to lead the Carlists and to Lignières made by her younger son, Prince Sixtus Henry of Bourbon-Parma, who continued to challenge his brother's authority in their ongoing struggle for power.