Biography
Katherine Mary Manners was born 29 April 1779 to Charles Manners, 4th Duke of Rutland (1754-1787) and Mary Isabella Somerset (1756-1831) and died 1 May 1829 of unspecified causes. She married Cecil Weld-Forester, 1st Baron Forester (c1767-1828) 16 June 1800 .
Children
| Name | Birth | Death | Joined with |
| John George Weld-Forester, 2nd Baron Forester (1801-1874) | |||
| Anne Elizabeth Weld-Forester (1802-1885) | 7 September 1802 | 27 July 1885 Bretby Hall, Derbyshire, England, United Kingdom | George Stanhope, 6th Earl of Chesterfield (1805-1866) |
| Elizabeth Katherine Weld-Forester (1803-1832) | |||
| Isabella Elizabeth Annabella Weld-Forester (1805-1858) | |||
| George Cecil Weld-Forester, 3rd Baron Forester (1807-1886) | |||
| Henrietta Maria Weld-Forester (1809-1841) | 10 December 1809 | 22 April 1841 | Albert Denison Denison, 1st Baron Londesborough (1805-1860) |
| Charles Robert Weld-Forester (1811-1852) | |||
| Orlando Watkin Weld-Forester, 4th Baron Forester (1813-1894) | |||
| Selina Louisa Weld-Forester (1819-1894) | 17 February 1819 | 25 November 1894 Weston Park, Weston-under-Lizard, Staffordshire, England, United Kingdom | Orlando George Charles Bridgeman, 3rd Earl of Bradford (1819-1898) |
Footnotes (including sources)
| ‡ General |
|