William Spencer, Marquis of Hartington (1790-1858), succeeded his father as sixth Duke of Devonshire in 1811, and died unmarried. His sister, Georgiana Dorothy, married, in 1801, Lord Carlisle's eldest son.
[15 — To the Hon. Augusta Byron]
Harrow, Saturday, 11th Novr, 1804.
thought, my dear Augusta
, that your opinion of my