William George Spencer Cavendish, 6th. Duke of Devonshire. KG. PC.
1790 - 1858 (67 years)( = Descendancy chart to this point, = Expand, = Collapse)
- 1 William George Spencer Cavendish, 6th. Duke of Devonshire. KG. PC. [1] b. 21 May 1790 d. 18 Jan 1858