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| | Devonshire, William Cavendish, 4th Duke of, Marquess Of Hartington, Earl Of Devonshire, Baron Cavendish Of Hardwick ... (Site not responding. Last check: ) |
 | | Eldest son of William Cavendish, the 3rd Duke (16981755), he was elected to the House of Commons in 1741 and 1747, and in 1751 he moved to the House of Lords, as Lord Cavendish of Hardwick, in his father's barony. |
 | | Devonshire, William Cavendish, 4th Duke of, Marquess Of Hartington, Earl Of Devonshire, Baron Cavendish Of Hardwick... |
 | | Devonshire, Spencer Compton Cavendish, 8th duke of, marquess of Hartington, earl of Devonshire, Baron Cavendish of Hardwick |
| www.britannica.com /eb/article-9030171 (920 words) |
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