William John Robert Cavendish Marquess of Hartington 1917–1944 Kathleen Agnes Kennedy 1920–1948 | | |
| | Lady Anne Evelyn Beatrice Cavendish 1927–2010 | | |
| | Edward William Spencer Cavendish 10th Duke of Devonshire 1895–1950 Lady Mary Alice Gascoyne-Cecil Duchess of Devonshire C.B.E. G.C.V.O. 1895–1988 | | |
Lady Dorothy Evelyn Cavendish GBE 1900–1966 Maurice Harold Macmillan 1st Earl of Stockton (1984-1986), OM, PC, FRS, Prime Minister of the United Kingdom (1957-1963) 1894–1986 | | |
| | 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 | | | | William Cavendish 1748–1811 Georgiana Spencer 1757–1806 | | | | 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 | | |
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| | | John Spencer 1st Earl Spencer (1765-1783) 1734–1783 | | | | Hon. John Spencer MP 1708–1746 Georgiana Carolina Carteret 1716–1780 | | |
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| | | Hon. William Cavendish MP 1783–1812 | | | | George Augustus Henry Cavendish 1754–1834 | | | | 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 | | |
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