Biography
John William Robert Kerr, 7th Marquess of Lothian, was born 1 February 1794 in Newbattle Abbey, Newbattle, Midlothian, Scotland, United Kingdom to William Kerr, 6th Marquess of Lothian (1763-1824) and Harriet Hobart (1762-1805) and died 14 November 1841 Blickling Hall, Blickling, Norfolk, England, United Kingdom of unspecified causes. He married Cecil Chetwynd Chetwynd-Talbot (1808-1877) 19 July 1831 in London, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| William Schomberg Robert Kerr, 8th Marquess of Lothian (1832-1870) | 12 August 1832 | 6 July 1870 Clapham, London, England, United Kingdom | Constance Harriet Mahonesa Chetwynd-Talbot (1836-1901) |
| Schomberg Henry Kerr, 9th Marquess of Lothian (1833-1900) | 2 December 1833 | 17 January 1900 London, England, United Kingdom | Victoria Alexandria Montagu-Douglas-Scott (1844-1938) |
| Cecil Elizabeth Kerr (c1835-1866) | |||
| Alice Mary Kerr (1836-1892) | |||
| Ralph Drury Kerr (1837-1916) | 11 August 1837 | 18 September 1916 | Anne Fitzalan-Howard (1857-1931) |
| Walter Talbot Kerr (1839-1927) | 28 September 1839 | 12 May 1927 | Amabel Frederica Henrietta Cowper (1846-1906) |
| John Montagu Hobart Kerr (1841-1855) | |||
Footnotes (including sources)
| ‡ General |