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Family: Cavendish, William 5th Duke of Devonshire KG / Spencer, Lady Georgiana Duchess of Devonshire (F2020)
m. 5 Jun 1774Drag or scroll to see more of the chart.
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Cavendish, William 4th Duke of Devonshire KG PC (1720-1764)
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Boyle, Lady Charlotte Elizabeth 6th Baroness Clifford (suo jure) Marchioness of Hartington (1731-1754)
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Cavendish, Lady Dorothy Duchess of Portland (1750-1794)  |
| Spencer, John 1st Earl Spencer (1734-1783)
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| Poyntz, Margaret Georgiana Countess Spencer (1737-1814)
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| Cavendish, William 5th Duke of Devonshire KG (1748-1811)
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| Spencer, Lady Georgiana Duchess of Devonshire (1757-1806)
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