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Earl Hertford Francis Seymour-Conway
Eighth cousin 9 times removed.
Birth: Jul 5, 1718, Chelsea, London, England;
Death: Jun 14, 1794; Surrey, England;
Age: 76

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  • 1st Marquess of Hertford, 2nd creation - Dates: 1793-1794
  • 6th Earl of Hertford, 4th creation - Dates: 1750-1794
  • Baron Conway - Dates: 1732-1794
  • Lord Chamberlain - Dates: 1766-1783
  • Privy Council - Dates: 1766-1783
  • Master of the Horse - Dates: 1766
  • Lord Lieutenant of Ireland - Dates: 1765-1766
  • Lord Lieutenant of Montgomeryshire - Dates: 1775-1776
  • Lord Lieutenant of Warwickshire - Dates: 1757-1794
  • British Ambassador to France - Dates: 1763-1765


Francis Seymour-Conway, 1st Marquess of Hertford KG PC (July 5, 1718 -- June 14, 1794) was born in Chelsea, London, and died in Surrey, England.

He was a descendant of Edward Seymour, 1st Duke of Somerset and his first wife Catharine Fillol. Their marriage was annulled and their children declared illegitimate. Their son Sir Edward Seymour (d. 6 May 1593) later served as a Sheriff of Devon.

. . .

On 29 May 1741 he married Lady Isabella Fitzroy, daughter of Charles FitzRoy, 2nd Duke of Grafton, and they became the parents of thirteen children including:
Hugh Seymour-Conway, Admiral of the Royal Navy (29 April 1759 – 11 September 1801). Married Anne Horatia Waldegrave, a daughter of James Waldegrave, 2nd Earl Waldegrave. They were great-grandparents of Charles Spencer, 6th Earl Spencer.

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See the Family Tree

Baron Conway Francis Seymour-Conway
May 28, 1679 - Feb 3, 1731
No information for the mother yet
Primary or Last Marriage:
Date: , Place: , Status: Marriage, Note:
Countess Hertford Isabella Fitz-Roy
1726 - Nov 10, 1782
Lord Hugh Seymour
Eighth cousin 7 times removed
Apr 29, 1759 - Sep 11, 1801
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