Dukes of Roxburghe (1707)
- Other titles: Marquess of Bowmont and Cessford (1707), Earl of Roxburghe (1616), Earl of Kelso and Viscount Broxmouth (1707) and Lord Ker of Cessford and Cavertoun (1616)
- John Ker, 1st Duke of Roxburghe (c. 1680–1741), second son of the 3rd Earl
- Other titles (2nd & 3rd Dukes): Earl Ker, of Wakefield in the County of York and Baron Ker, of Wakefield in the County of York (1722)
- Robert Ker, 2nd Duke of Roxburghe (c. 1709–1755), only son of the 1st Duke
- John Ker, 3rd Duke of Roxburghe (1740–1804), elder son of the 2nd Duke, died without issue
- Other titles (4th Duke): Lord Bellenden of Broughton (1661)
- William Bellenden-Ker, 4th Duke of Roxburghe (1728–1805), grandson of Lord Bellenden (himself fourth and youngest son of the 2nd Earl), died without issue and the Roxburghe titles went dormant 1805–12
- James Innes-Ker, 5th Duke of Roxburghe (1736–1823), great-grandson of Hon. Margaret Ker (d. 1681), daughter of Hon. Henry Ker, Lord Ker (d. 1642/3; himself younger son of the 1st Earl)
- Other titles (6th Duke onwards): Earl Innes (GB, 1837)
- James Innes-Ker, 6th Duke of Roxburghe (1816–1879), only son of the 5th Duke
- James Innes-Ker, 7th Duke of Roxburghe (1839–1892), elder son of the 6th Duke
- Henry Innes-Ker, 8th Duke of Roxburghe (1876–1932), eldest son of the 7th Duke
- George Innes-Ker, 9th Duke of Roxburghe (1913–1974), only son of the 8th Duke
- Guy Innes-Ker, 10th Duke of Roxburghe (b. 1954), elder son of the 9th Duke
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- Heir apparent: Charles Innes-Ker, Marquess of Bowmont and Cessford (b. 1981), eldest son of the 10th Duke
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