English
Family: Thomas ( 2nd Marquess of Bath) Thynne / Isabella Elizabeth Byng (F3729)
m. 14 April 1794-
Male
Thomas ( 2nd Marquess of Bath) Thynne
Birth 25 January 1765 Longleat,,Wiltshire,England 
Death 27 March 1837 Lower Grosvenor St,London,Middlesex,England Burial Marriage 14 April 1794 Brook Street, St. George Hanover Square, London, England Father Thomas Thynne (maid. name 1st Marquess Of Bath) | F3734 Group Sheet Mother Lady Elizabeth Cavendish - Bentinck | F3734 Group Sheet
Female
Isabella Elizabeth Byng
Birth 21 Sep 1773 Southill, Bedfordshire, England Death 1 May 1830 London, London, England Burial Father Mother
Female
Elizabeth Thynne
Birth 27 Feb 1795 Longleat, Wiltshire, , England Death 16 Feb 1866 , Middlesex, , England Burial
Male
Thomas Thynne (maid. name Viscount Weymouth)
Birth 9 Apr 1796 Longleat, Wiltshire, , England Death 16 Jan 1837 Cucklington, Somerset, , England Burial Spouse Harriet Matilda Robbins | F3730 Marriage 11/5/1820 ST MARYLEBONE, LONDON
Male
+ Henry Frederick Thynne (maid. name 3rd Marquess of Bath)
Birth 24 May 1797 Marylebone, London, England Death 24 Jun 1837 Longbridge Dever, Wiltshire, England Burial Spouse Harriet Baring | F3731 Marriage 19 Apr 1830 Westminster, Middlesex, England
Male
+ John Thynne
Birth 7 Nov 1798 London, Middlesex, , England Death 9 Feb 1881 St George Hanover Square, London Burial Spouse Anne Constantia Beresford | F3732 Marriage 02 Mar 1824 Saint James,Westminster,London,England
Female
Louisa Thynne
Birth 25 Mar 1801 Longleat, Wiltshire, England Death 7 Nov 1859 Knaresborough, Yorkshire West Riding, United Kingdom Burial
Female
+ Charlotte Anne Thynne
Birth 10 Apr 1811 Longleat, Wiltshire Death 28 Mar 1895 Eton, Buckinghamshire, United Kingdom Burial Spouse Walter Francis (5th Duke of Buccleuch) Montagu Douglas Scott | F3726 Marriage 13 Aug 1829 St George Hanover Square, England
Male
+ Charles Thynne
Birth 9 Feb 1813 St George Hanover Square, London, Middlesex, England Death 11 Aug 1894 Ditton Park, Stoke Poges, Buckinghamshire, England Burial Spouse Harriet Frances Bagot | F3733 Marriage 18 Jul 1837 St George Hanover Square, London, Middlesex, England