William Cavendish, Adipati IV Devonshire
16 November 1756 – 25 Juni 1757
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Pendahulu
The Duke of Newcastle
The Duke of Newcastle
Pengganti
The Duke of Newcastle
The Duke of Newcastle
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Spa, Belanda Austria
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William Cavendish, Adipati IV Devonshire, KG, PC (1720 - 2 Oktober 1764) adalah negarawan Whig Britania yang merupakan Perdana Menteri Britania Raya selama jabatan yang singkat.
Gelar
- Lord Cavendish of Hardwick (1720-1729)
- Marquess of Hartington (1729-1741)
- Marquess of Hartington, MP (1741-1751)
- The Rt. Hon. Marquess of Hartington (1751-1755)
- His Grace The Duke of Devonshire, PC (1755-1756)
- His Grace The Duke of Devonshire, KG, PC (1756-1764)
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