Charles William Henry Montagu-Scott, 4th Duke of Buccleuch, 6th Duke of Queensberry, was born 24 May 1772 in London, Middlesex, England, United Kingdom to Henry Scott, 3rd Duke of Buccleuch (1746-1812) and Elizabeth Montagu (1743-1827) and died 20 April 1819 Lisbon, Portugal of tuberculosis. He married Harriet Katherine Townshend (1773-1814) 24 March 1795 .
|George Henry Scott, Lord Scott of Whitchester (1798-1808)|
|Charlotte Albina Montagu-Scott (1799-1828)|
|Isabella Mary Montagu-Scott (1805-1829)|
|Walter Francis Montagu-Douglas-Scott, 5th Duke of Buccleuch (1806-1884)||25 November 1806 Dalkeith House, Dalkeith, Midlothian, Scotland, United Kingdom||16 April 1884 Bowhill, Selkirkshire, Scotland, United Kingdom||Charlotte Anne Thynne (1811-1895)|
|John Douglas-Montagu-Scott (1809-1860)|
|Margaret Harriet Montagu-Scott (1811-1846)||12 June 1811 Dalkeith House, Dalkeith, Midlothian, Scotland, United Kingdom||5 June 1846 London, Greater London, England, United Kingdom||Charles Marsham, 3rd Earl of Romney (1808-1874)|
|Harriet Janet Sarah Scott (1814-1870)|