Dorothy Macmillan noblewoman; English socialite; wife of British Prime Minister Harold Macmillan (1900–1966) Parents Evelyn Cavendish, Duchess of Devonshire Victor Cavendish, 9th Duke of Devonshire Children Maurice Macmillan Catherine Macmillan Sarah Heath Caroline Faber Siblings Edward Cavendish, 10th Duke of Devonshire Lord Charles Arthur Francis Cavendish Lady Blanche Cavendish Anne Cavendish Maud Cavendish Rachel Cavendish Partners Harold Macmillan
