Dukes
- William Cavendish, 1st Duke of Newcastle-upon-Tyne (1592–1676)
- William Cavendish, 1st Duke of Devonshire (1640–1707)
- William Cavendish, 2nd Duke of Devonshire (1673–1729)
- William Cavendish, 3rd Duke of Devonshire (1698–1755)
- William Cavendish, 4th Duke of Devonshire (1720–1764)
- William Cavendish, 5th Duke of Devonshire (1748–1811)
- William Cavendish, 6th Duke of Devonshire (1790–1858)
- William Cavendish, 7th Duke of Devonshire (1808–1891)
- William Cavendish-Bentinck, 3rd Duke of Portland (1738-1809)
- William Cavendish-Scott-Bentinck, 5th Duke of Portland (1800–1879)
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