Biography
Isabella FitzRoy was born 19 July 1726 to Charles FitzRoy, 2nd Duke of Grafton (1683-1757) and Henrietta Somerset (1690-1726) and died 10 November 1782 Lower Grosvenor, London, England, United Kingdom of unspecified causes. She married Francis Seymour-Conway, 1st Marquess of Hertford (1718-1794) 29 May 1741 in England, United Kingdom.
Children
| Offspring of Francis Seymour-Conway, 1st Marquess of Hertford (1718-1794) and Isabella FitzRoy
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| Name
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Birth
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Death
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Joined with
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| Francis Seymour-Conway, 2nd Marquess of Hertford (1743-1822) |
12 February 1743 Hanover Square, Westminster, Middlesex, England, United Kingdom |
17 June 1822 Marylebone, Middlesex, England, United Kingdom |
Alice Elizabeth Windsor (1749-1772)
Isabella Anne Ingram-Shepheard (1760-1834)
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| Anne Seymour-Conway (1744-1787) |
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| Henry Seymour (1746-1830) |
15 December 1746 |
5 February 1830 Norris Castle, Isle of Wight, England, United Kingdom |
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| Sarah Frances Seymour (1747-1770) |
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| Robert Seymour (1748-1831) |
20 December 1748 |
23 November 1831 |
Anne Delmé (-1804)
Anderlechtia Clarissa Chetwynd (c1765-1855)
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| Gertrude Seymour-Conway (1750-1793) |
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| Frances Seymour-Conway (1751-1820) |
4 December 1751 |
11 November 1820 |
Henry Fiennes Pelham-Clinton (1750-1778)
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| Elisabeth Seymour-Conway (1754-1825) |
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| Isabella Rachael Seymour-Conway (1755-1825) |
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| Edward Seymour (1757-1785) |
18 May 1757 |
12 September 1785 |
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| Hugh Seymour (1759-1801) |
29 April 1759 London, Greater London, England, United Kingdom |
11 September 1801 Jamaica Station, Jamaica |
Anne Horatia Waldegrave (1762-1801)
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| William Seymour (1759-1837) |
29 April 1759 |
31 January 1837 |
Martha Clitherow (-1848)
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| George Seymour (1763-1848) |
21 July 1763 |
10 March 1848 |
Isabella Hamilton (1772-)
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