Isabella married Thomas ( 2nd Marquess of Bath) Thynne on 14 April 1794 in Brook Street, St. George Hanover Square, London, England. Thomas (son of Thomas Thynne (maid. name 1st Marquess Of Bath) and Lady Elizabeth Cavendish - Bentinck) was born on 25 January 1765 in Longleat,,Wiltshire,England; died on 27 March 1837 in Lower Grosvenor St,London,Middlesex,England. [Group Sheet] [Family Chart]

1. Elizabeth Thynne was born on 27 Feb 1795 in Longleat, Wiltshire, , England; died on 16 Feb 1866 in , Middlesex, , England.
2. Thomas Thynne (maid. name Viscount Weymouth) was born on 9 Apr 1796 in Longleat, Wiltshire, , England; died on 16 Jan 1837 in Cucklington, Somerset, , England.
3. Henry Frederick Thynne (maid. name 3rd Marquess of Bath) was born on 24 May 1797 in Marylebone, London, England; died on 24 Jun 1837 in Longbridge Dever, Wiltshire, England.
4. John Thynne was born on 7 Nov 1798 in London, Middlesex, , England; died on 9 Feb 1881 in St George Hanover Square, London.
5. Louisa Thynne was born on 25 Mar 1801 in Longleat, Wiltshire, England; died on 7 Nov 1859 in Knaresborough, Yorkshire West Riding, United Kingdom.
6. Charlotte Anne Thynne was born on 10 Apr 1811 in Longleat, Wiltshire; died on 28 Mar 1895 in Eton, Buckinghamshire, United Kingdom.
7. Charles Thynne was born on 9 Feb 1813 in St George Hanover Square, London, Middlesex, England; died on 11 Aug 1894 in Ditton Park, Stoke Poges, Buckinghamshire, England.