| Birth |
25 January 1765 |
Longleat,,Wiltshire,England |
| Died |
27 March 1837 |
Lower Grosvenor St,London,Middlesex,England |
| |
| Father |
Thomas Thynne (maid. name 1st Marquess Of Bath), b. 13 Sep 1734, Longleat, Wiltshire, England |
| Relationship |
natural |
| Mother |
Lady Elizabeth Cavendish - Bentinck, b. 27 Jul 1735, Welbeck Abbey, Nottinghamshire, England |
| Relationship |
natural |
| Married |
22 Mar 1759 |
St Margarets, Westminster, London, England |
| |
| Family |
Isabella Elizabeth Byng, b. 21 Sep 1773, Southill, Bedfordshire, England |
| Married |
14 April 1794 |
Brook Street, St. George Hanover Square, London, England |
| Children |
| | 1. Elizabeth Thynne, b. 27 Feb 1795, Longleat, Wiltshire, , England |
| | 2. Thomas Thynne (maid. name Viscount Weymouth), b. 9 Apr 1796, Longleat, Wiltshire, , England |
| + | 3. Henry Frederick Thynne (maid. name 3rd Marquess of Bath), b. 24 May 1797, Marylebone, London, England |
| + | 4. John Thynne, b. 7 Nov 1798, London, Middlesex, , England |
| | 5. Louisa Thynne, b. 25 Mar 1801, Longleat, Wiltshire, England |
| + | 6. Charlotte Anne Thynne, b. 10 Apr 1811, Longleat, Wiltshire |
| + | 7. Charles Thynne, b. 9 Feb 1813, St George Hanover Square, London, Middlesex, England |
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