Marquesses (and Dukes) of Queensberry (1682 (1684))
- William Douglas, 1st Duke of Queensberry (1637–1695)
- James Douglas, 2nd Duke of Queensberry (1672–1711) (became Duke of Dover in 1708)
- James Douglas, 3rd Marquess of Queensberry (1697–1714/5)
- Charles Douglas, 3rd Duke of Queensberry (1698–1778) (Dukedom of Dover extinct in 1778)
- William Douglas, 4th Duke of Queensberry (1725–1810)
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