Evelyn Cavendish, Duchess of Devonshire wife of Victor Cavendish, 9th Duke of Devonshire (1870–1960) (1870–1960) Parents Maud Petty-Fitzmaurice, Marchioness of Lansdowne Henry Petty-Fitzmaurice, 5th Marquess of Lansdowne Children Anne Cavendish Lord Charles Arthur Francis Cavendish Dorothy Macmillan Edward Cavendish, 10th Duke of Devonshire Lady Blanche Cavendish Maud Cavendish Rachel Cavendish Siblings Beatrix Beauclerk, Duchess of St Albans Lord Charles Petty-Fitzmaurice Henry William Edmund Petty-Fitzmaurice, 6th Marquess of Lansdowne Partners Victor Cavendish, 9th Duke of Devonshire