His Grace William CAVENDISH, 4th Duke of Devonshire, KG, PC
1720 - 1764 (44 years)
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His Grace William CAVENDISH, 4th Duke of Devonshire, KG, PC |
| 1720 - 1764 (44 years) |
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Catherine HOSKINS, Duchess of Devonshire |
 1700 - 1777 (77 years) |
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His Grace William CAVENDISH, 3rd Duke of Devonshire, KG, PC |
| 1698 - 1755 (57 years) |
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