Background
Lady 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.
Lady 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.
She is also a great-great-great-grandmother of Queen Elizabeth II through the queen"s maternal grandmother. 27 August 1750 – 8 November 1766: Lady Dorothy Cavendish 8 November 1766 – 3 June 1794: Her Grace The Duchess of Portland.