William Cavendish, Adipati IV Devonshire
16 November 1756 – 25 Juni 1757
Pendahulu
The Duke of Newcastle
The Duke of Newcastle
Pengganti
The Duke of Newcastle
The Duke of Newcastle
Spa, Belanda Austria
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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