   georgiana cavendish, duchess of devonshire (nÃ©e spencer;  ; 7 june 1757 â 30 march 1806) was the first wife of william cavendish, 5th duke of devonshire, and mother of the 6th duke of devonshire. her father, john spencer, 1st earl spencer, was a great-grandson of john churchill, 1st duke of marlborough. her niece was lady caroline lamb. she was the great-great-great-great-aunt of diana, princess of wales, and attained a large amount of fame in her lifetime. ==family and early life== lady georgiana spencer was born on 7 june 1757 to john spencer and his wife margaret georgiana poyntz (later earl and countess spencer). after her daughter's birth, her mother wrote that "i will own i feel so partial to my dear little gee,
1757_births 1806_deaths 18th-century_British_novelists 18th-century_English_writers 18th-century_women_writers British_duchesses_by_marriage British_salon-holders British_socialites Cavendish_family Daughters_of_British_earls Spencer-Churchill_family Women_novelists