On 02 Mar 1724 [her son] John Thynne and [her daughter-in-law] Anne Constantia Beresford were married at St James' Church, Piccadilly. He the son of Thomas Thynne 2nd Marquess of Bath and Isabella Elizabeth Byng Marchioness Bath 1773-1830.
On 07 Apr 1750 [her grandfather] George Byng 3rd Viscount Torrington (age 48) died. His son [her father] George Byng 4th Viscount Torrington (age 9) succeeded 4th Viscount Torrington. [her mother] Lucy Boyle Viscountess Torrington by marriage Viscountess Torrington.
On 20 Jul 1765 [her father] George Byng 4th Viscount Torrington (age 24) and [her mother] Lucy Boyle Viscountess Torrington were married. She the daughter of John Boyle 5th Earl Cork 1707-1762.
On 21 Sep 1773 Isabella Elizabeth Byng Marchioness Bath was born to George Byng 4th Viscount Torrington (age 32) and Lucy Boyle Viscountess Torrington.
On 14 Apr 1794 Thomas Thynne 2nd Marquess of Bath (age 29) and Isabella Elizabeth Byng Marchioness Bath (age 20) were married. He the son of Thomas Thynne 1st Marquess of Bath (age 59) and Elizabeth Bentinck Marchioness Bath 1735-1825 (age 58).
On 27 Feb 1795 [her daughter] Elizabeth Thynne Countess Cawdor 1795-1866 was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 30) and Isabella Elizabeth Byng Marchioness Bath (age 21).
On 09 Apr 1796 [her son] Thomas Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 31) and Isabella Elizabeth Byng Marchioness Bath (age 22).
On 19 Nov 1796 [her father-in-law] Thomas Thynne 1st Marquess of Bath (age 62) died. His son [her husband] Thomas Thynne 2nd Marquess of Bath (age 31) succeeded 2nd Marquess of Bath, 4th Viscount Weymouth, 5th Baronet Thynne of Kempsford in Gloucestershire. Isabella Elizabeth Byng Marchioness Bath (age 23) by marriage Marchioness of Bath.
On 04 May 1797 [her son] Henry Frederick Thynne 3rd Marquess of Bath 1797-1837 was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 32) and Isabella Elizabeth Byng Marchioness Bath (age 23).
On 09 May 1797 [her brother-in-law] George Thynne 2nd Baron Carteret (age 27) and Harriet Courtenay Baroness Carteret (age 25) were married. She by marriage Baroness Carteret of Hawnes. She the daughter of William Courtenay 8th Earl Devon 1742-1788 and . He the son of Thomas Thynne 1st Marquess of Bath and Elizabeth Bentinck Marchioness Bath 1735-1825 (age 61).
On 07 Nov 1798 [her son] John Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 33) and Isabella Elizabeth Byng Marchioness Bath (age 25).
On 02 May 1799 Philip Stanhope 5th Earl Chesterfield (age 43) and [her sister-in-law] Henrietta Thynne (age 36) were married at Grosvenor Street. She the daughter of Thomas Thynne 1st Marquess of Bath and Elizabeth Bentinck Marchioness Bath 1735-1825 (age 63).
On 25 Mar 1801 [her daughter] Louisa Thynne Countess Harewood 1801-1859 was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 36) and Isabella Elizabeth Byng Marchioness Bath (age 27).
On 17 Oct 1803 [her son] William Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 38) and Isabella Elizabeth Byng Marchioness Bath (age 30).
On 20 Jan 1805 [her son] Francis Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 39) and Isabella Elizabeth Byng Marchioness Bath (age 31).
On 23 Jan 1807 [her son] Edward Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 42) and Isabella Elizabeth Byng Marchioness Bath (age 33).
On 25 Dec 1808 [her son] George Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 43) and Isabella Elizabeth Byng Marchioness Bath (age 35).
On 10 Apr 1811 [her daughter] Charlotte Anne Thynne Duchess Buccleuch Duchess Queensbury 1811-1895 was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 46) and Isabella Elizabeth Byng Marchioness Bath (age 37).
On 14 Dec 1812 [her father] George Byng 4th Viscount Torrington (age 72) died. His brother [her uncle] John Byng 5th Viscount Torrington (age 69) succeeded 5th Viscount Torrington. He enjoyed the Viscountcy for only twenty-four days dying on 08 Jan 1813. Further, the seat of the Viscountcy Southill Park had been sold to pay off debts. Bridget Forrest Viscountess Byng (age 64) by marriage Viscountess Torrington.
On 09 Feb 1813 [her son] Charles Thynne was born to [her husband] Thomas Thynne 2nd Marquess of Bath (age 48) and Isabella Elizabeth Byng Marchioness Bath (age 39).
On 31 May 1813 [her sister-in-law] Henrietta Thynne (age 50) died.
On 05 Sep 1816 [her son-in-law] John Campbell 1st Earl Cawdor 1790-1860 (age 25) and [her daughter] Elizabeth Thynne Countess Cawdor 1795-1866 (age 21) were married. She the daughter of Thomas Thynne 2nd Marquess of Bath (age 51) and Isabella Elizabeth Byng Marchioness Bath 1773-1830 (age 42).
On 29 May 1821 [her son] Francis Thynne (age 16) died.
On 05 Jul 1823 [her son-in-law] Henry Lascelles 3rd Earl Harewood (age 26) and [her daughter] Louisa Thynne Countess Harewood 1801-1859 (age 22) were married. She the daughter of Thomas Thynne 2nd Marquess of Bath (age 58) and Isabella Elizabeth Byng Marchioness Bath 1773-1830 (age 49). He the son of Henry Lascelles 2nd Earl Harewood 1767-1841 (age 55) and .
In 1826 Henry Carteret 1st Baron Carteret (age 91) died. His nephew [her brother-in-law] George Thynne 2nd Baron Carteret (age 55) succeeded 2nd Baron Carteret.
On 13 Aug 1829 [her son-in-law] Walter Scott 5th Duke Buccleuch 7th Duke Queensberry and [her daughter] Charlotte Anne Thynne Duchess Buccleuch Duchess Queensbury 1811-1895 (age 18) were married at St George's Church, Hanover Square. She by marriage Duchess Buccleuch and Duchess Queensberry. She the daughter of Thomas Thynne 2nd Marquess of Bath (age 64) and Isabella Elizabeth Byng Marchioness Bath 1773-1830 (age 55). He the son of Charles Scott 4th Duke Buccleuch 6th Duke Queensberry 1772-1819 and Harriet Katherine Townshend Duchess Buccleuch Duchess Queensbury 1773-1814. He a great x 5 grandson of King Charles II of England Scotland and Ireland.
On 19 Apr 1830 [her son] Henry Frederick Thynne 3rd Marquess of Bath 1797-1837 (age 32) and [her daughter-in-law] Harriet Baring Marchioness Bath 1804-1892 (age 25) were married. He the son of Thomas Thynne 2nd Marquess of Bath (age 65) and Isabella Elizabeth Byng Marchioness Bath 1773-1830 (age 56).
On 01 May 1830 Isabella Elizabeth Byng Marchioness Bath (age 56) died. Monument in Saints Peter and Paul Church, Longbridge Deverill [Map]. Probably sculpted by Francis Leggatt Chantrey (age 49).
On 27 Mar 1837 [her former husband] Thomas Thynne 2nd Marquess of Bath (age 72) died. His son [her son] Henry Frederick Thynne 3rd Marquess of Bath 1797-1837 (age 39) succeeded 3rd Marquess of Bath, 5th Viscount Weymouth, 6th Baronet Thynne of Kempsford in Gloucestershire. [her daughter-in-law] Harriet Baring Marchioness Bath 1804-1892 (age 32) by marriage Marchioness of Bath. Monument in Saints Peter and Paul Church, Longbridge Deverill [Map] sculpted by Francis Leggatt Chantrey (age 55).
Paternal Family Tree: Byng
Maternal Family Tree: Lucy Boyle Viscountess Torrington
Kings Wessex: Great x 22 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 18 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 24 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 19 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 10 Grand Daughter of King Henry VII of England and Ireland
Kings Scotland: Great x 17 Grand Daughter of William "Lion" I King Scotland
Kings Franks: Great x 19 Grand Daughter of Louis VII King Franks
Kings France: Great x 13 Grand Daughter of Charles "Beloved Mad" VI King France
Great x 1 Grandfather: George Byng 1st Viscount Torrington
GrandFather: George Byng 3rd Viscount Torrington
Isabella Elizabeth Byng Marchioness Bath 1773-1830 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Richard Boyle 1st Earl Cork
Great x 3 Grandfather: Roger Boyle 1st Earl Orrery
Great x 2 Grandfather: Roger Boyle 2nd Earl Orrery 1646-1692 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Theophilus Howard 2nd Earl Suffolk 8 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Margaret Howard Countess Orrery 1622-1689 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Home Countess Suffolk 1599-1633 18 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 1 Grandfather: Charles Boyle 4th Earl Cork 4th Earl Orrery 1674-1731 11 x Great Grand Son of King Edward III of England
GrandFather: John Boyle 5th Earl Cork 1707-1762 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: David Cecil 3rd Earl Exeter 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: John Cecil 4th Earl Exeter 1628-1678 5 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Egerton Countess Exeter -1688 4 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandfather: John Cecil 5th Earl Exeter 1648-1700 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: John Manners 8th Earl of Rutland 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Frances Manners Countess Exeter 1630-1660 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Frances Montagu Countess Rutland 10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 1 Grandmother: Elizabeth Cecil Countess Cork 1691-1708 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Cavendish 2nd Earl Devonshire 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: William Cavendish 3rd Earl Devonshire 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Christian Bruce Countess Devonshire
Great x 2 Grandmother: Anne Cavendish Countess Exeter 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: William Cecil 2nd Earl Salisbury 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Elizabeth Cecil Countess Devonshire 1619-1689 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Catherine Howard Countess Salisbury 7 x Great Grand Daughter of King Edward III of England
Mother: Lucy Boyle Viscountess Torrington 9 x Great Grand Daughter of King Henry VII of England and Ireland