Baronet of Kerse, 1682 |
Lawrence Dundas 1710–1781 1st Baronet | | William Fitzwilliam 1720–1756 3rd Earl Fitzwilliam |
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Baron Dundas, 1794 | | | | | |
Thomas Dundas 1741–1820 1st Baron Dundas 2nd Baronet | | Charlotte 1746–1833 |
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| | | | Earl of Zetland, 1838 |
| | | | Lawrence Dundas 1766–1839 1st Earl of Zetland 2nd Baron Dundas 3rd Baronet |
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Richard Lumley 1813–1884 9th Earl of Scarbrough | | Thomas Dundas 1795–1873 2nd Earl of Zetland 3rd Baron Dundas 4th Baronet | | John Charles Dundas 1808–1866 |
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| | | | | Marquess of Zetland and Earl of Ronaldshay, 1892 | | | | | |
Lilian Selina Elizabeth Lumley 1851–1943 | | Lawrence Dundas 1844–1929 1st Marquess of Zetland and Earl of Ronaldshay 3rd Earl of Zetland 4th Baron Dundas 5th Baronet | | John Charles Dundas 1845–1892 |
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| | | | Lawrence John Lumley Dundas 1876–1961 2nd Marquess of Zetland and Earl of Ronaldshay 4th Earl of Zetland 5th Baron Dundas 6th Baronet |
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| | | | Lawrence Aldred Mervyn Dundas 1908–1989 3rd Marquess of Zetland and Earl of Ronaldshay 5th Earl of Zetland 6th Baron Dundas 7th Baronet |
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| | | | Lawrence Mark Dundas b. 1937 4th Marquess of Zetland and Earl of Ronaldshay 6th Earl of Zetland 7th Baron Dundas 8th Baronet | | David Paul Nicholas Dundas b. 1945 |
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| | | | Robin Lawrence Dundas b. 1965 styled Earl of Ronaldshay | | James Edward Dundas b. 1967 |
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| | | | | | | | Milo James Dundas b. 1998 |