Biography
Robert Seymour was born 20 December 1748 to Francis Seymour-Conway, 1st Marquess of Hertford (1718-1794) and Isabella FitzRoy (1726-1782) and died 23 November 1831 of unspecified causes. He married Anne Delmé (-1804) 15 June 1773 . He married Anderlechtia Clarissa Chetwynd (c1765-1855) 2 May 1806 .
Children
| Name | Birth | Death | Joined with |
| Elizabeth Seymour (1775-1848) | 1775 | 23 February 1848 | William Griffith Davies (1762-1814) Herbert Evans (-1848) |
| Henry Seymour (c1776-1843) | |||
| Frances Isabella Seymour (c1777-1838) | 1777 | 3 June 1838 | George Ferdinand FitzRoy, 2nd Baron Southampton (1761-1810) |
| Anna Maria Seymour (1781-) | |||
| Gertrude Hussey Carpenter Seymour (1784-1825) | |||
Footnotes (including sources)
| ‡ General |
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