William George Spencer Cavendish 1790–1858 | | |
| | Victor Christian William Cavendish 1868–1938 | | |
| | Spencer Compton Cavendish 1833–1908 | | |
| | Blanche Georgiana Howard 1812–1840 | | |
| | George Howard 6th Earl of Carlisle (1825-1848), KG, PC, FRS 1773–1848 | | |
| | Georgiana Spencer 1757–1806 William Cavendish 1748–1811 | | | | John Spencer 1st Earl Spencer (1765-1783) 1734–1783 | | | | Hon. John Spencer MP 1708–1746 Georgiana Carolina Carteret 1716–1780 | | | | | | | | Sarah Jenyns (Jennings) Duchess of Marlborough 1660–1744 | | |
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| | | William Cavendish 4th Duke of Devonshire, KG, PC, Prime Minister of Great Britain (1756-1757) 1720–1764 | | | | William Cavendish 3rd Duke of Devonshire (1729-1755), KG, PC 1698–1755 | | | | William Cavendish 2nd Duke of Devonshire, KG, PC 1672–1729 |
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