Biography
Frances Lascelles was born 11 June 1762 in North Allerton, Yorkshire, England, United Kingdom to Edward Lascelles, 1st Earl of Harewood (1740-1820) and Anne Chaloner (c1740-1805) and died 31 March 1817 Cumberland Place, Westminster, Greater London, England, United Kingdom of unspecified causes. She married John Douglas (1756-1818) 4 October 1784 in Northallerton, Yorkshire, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| George Sholto Douglas, 17th Earl of Morton (1789-1858) | 23 December 1789 | 31 March 1858 | Frances Theodora Rose (-1879) |
| Charles Douglas (1791-1857) | |||
| Harriet Douglas (1792-1833) | 8 June 1792 | 26 August 1833 Westminster, Middlesex, England, United Kingdom | James Hamilton (1786-1814) |
| Edward Gordon Douglas, 1st Baron Penrhyn (1800-1886) | 20 June 1800 York, Yorkshire, England, United Kingdom | 31 March 1886 | Juliana Isabella Mary Pennant (1808-1842) Maria Louisa FitzRoy (1818-1912) |
| Caroline Douglas (bef1802-1873) | |||
Footnotes (including sources)
| ‡ General |
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