Madeleine de Bourbon-Busset, Duchess of Parma (b. 1898)
Madeleine de Bourbon-Busset (23 March 1898 – 1 September 1984) was the titular Duchess of Parma (from 1974) and was also Carlist queen of Spain (from 1952) as the consort of Prince Xavier of Bourbon-Parma, the Carlist pretender to the Spanish throne.