Prior to Now family trees centre
Family: Seymour Conway, Francis 1st Marquess of Hertford KG PC PC / Fitzroy, Lady Isabella Marchioness of Hertford (F3164)
m. 29 May 1741-
Male
Seymour Conway, Francis 1st Marquess of Hertford KG PC PC
Birth 5 Jul 1718 Chelsea, Middlesex, England 
LDS Ordinances Date Place Christening Baptized (LDS) Death 14 Jun 1794 Putney, Surrey, England Endowed (LDS) Burial Stratford on Avon, Warwickshire, England Sealed P (LDS) Marriage 29 May 1741 Sealed S (LDS) Father Mother
Female
Fitzroy, Lady Isabella Marchioness of Hertford
Birth 1726 London, England LDS Ordinances Date Place Christening Baptized (LDS) Death 10 Nov 1782 London, England Endowed (LDS) Burial Stratford on Avon, Warwickshire, England Sealed P (LDS) Father FitzRoy, Charles 2nd Duke of Grafton KG PC FRS | F3088 Group Sheet Mother Somerset, Lady Henrietta Duchess of Grafton | F3088 Group Sheet
Female
+ Seymour Conway, Lady Frances Countess of Lincoln
Birth 4 Dec 1751 Marylebone, Middlesex, England LDS Ordinances Date Place Christening Baptized (LDS) Death 11 Nov 1820 Marylebone, Middlesex, England Endowed (LDS) Burial 22 Nov 1820 Baumber, Lincolnshire, England Sealed P (LDS) Spouse Pelham Clinton, Henry Fiennes 10th Earl of Lincoln | F7252 Marriage 21 May 1775 London, England Sealed S (LDS)
Male
+ Seymour, Adm Lord Hugh
Birth 29 Apr 1759 London, London, England LDS Ordinances Date Place Christening Baptized (LDS) Death 11 Sep 1801 Jamaica Endowed (LDS) Burial 22 Nov 1801 Stratford on Avon, Warwickshire, England Sealed P (LDS) Spouse Waldegrave, Lady Anne Horatia Lady Anne Seymour | F3167 Marriage 3 Apr 1786 England Sealed S (LDS)
Male
+ Seymour Conway, Lord George
Birth 21 Jul 1763 London, England LDS Ordinances Date Place Christening Baptized (LDS) Death 10 Mar 1848 Hove, Sussex, England Endowed (LDS) Burial Hove, Sussex, England Sealed P (LDS) Spouse Hamilton, Isabella Georgiana Lady Seymour Conway | F2279 Marriage 20 Jul 1795 Great Stanmore, Middlesex, England Sealed S (LDS)