Which UK Prime Minister-to-be married Lady Dorothy Cavendish in 1920?
Lady Dorothy Macmillan Lady Dorothy Macmillan Lady Dorothy Evelyn Macmillan ("née" Cavendish; 28 July 1900 – 21 May 1966) was a daughter of Victor Cavendish, 9th Duke of Devonshire and Evelyn Cavendish, Duchess of Devonshire and the wife of the British prime minister Harold Macmillan. She spent her first eight years at Holker Hall, Lancashire (located in county of Cumbria post 1974), and Lismore Castle, Ireland. She became known as Lady Dorothy from the age of eight, when her father succeeded to the dukedom, and the family moved into Chatsworth House, Derbyshire, and the other ducal estates. She received lessons in French, German,
Dorothy Bentinck, Duchess of Portland Dorothy Bentinck, Duchess of Portland Dorothy Bentinck, Duchess of Portland ("née" Lady Dorothy Cavendish; 27 August 1750 – 3 June 1794) was Duchess of Portland as wife of William Cavendish-Bentinck, 3rd Duke of Portland, the Prime Minister of Great Britain. She is also a great-great-great-grandmother of Queen Elizabeth II through the queen's maternal grandmother. Dorothy Cavendish was born on 27 August 1750 to William Cavendish, 4th Duke of Devonshire, the Prime Minister of Great Britain and his wife Lady Charlotte Boyle, 6th Baroness Clifford. On 8 November 1766, Cavendish was married to William Cavendish-Bentinck, 3rd Duke of Portland. They were