On 26 Mar 1758 [her father] John Fane 9th Earl of Westmoreland (age 29) and [her mother] Augusta Bertie (age 26) were married. He the son of Thomas Fane 8th Earl of Westmoreland 1701-1771 (age 57) and .
On 18 Sep 1761 Augusta Fane Countess Lonsdale was born to John Fane 9th Earl of Westmoreland (age 33) and Augusta Bertie (age 29).
On 04 Feb 1766 [her mother] Augusta Bertie (age 34) died.
On 28 May 1767 [her father] John Fane 9th Earl of Westmoreland (age 39) and [her step-mother] Susan Gordon Countess of Westmoreland 1752-1814 (age 15) were married. The difference in their ages was 23 years. She the daughter of Cosmo George Gordon 3rd Duke Gordon 1720-1752 and Catherine Gordon Duchess Gordon 1718-1799 (age 49). He the son of Thomas Fane 8th Earl of Westmoreland 1701-1771 (age 66) and .
On 25 Nov 1771 [her grandfather] Thomas Fane 8th Earl of Westmoreland 1701-1771 (age 70) died. His son [her father] John Fane 9th Earl of Westmoreland (age 43) succeeded 9th Earl of Westmoreland. [her step-mother] Susan Gordon Countess of Westmoreland 1752-1814 (age 19) by marriage Countess of Westmoreland.
[her uncle] Henry Fane of Fulbeck (age 32) inherited Fulbeck Hall.
On 25 Apr 1774 [her father] John Fane 9th Earl of Westmoreland (age 45) died. His son [her brother] John Fane 10th Earl of Westmoreland (age 14) succeeded 10th Earl of Westmoreland.
On 12 Jul 1781 William Lowther 1st Earl Lonsdale (age 23) and Augusta Fane Countess Lonsdale (age 19) were married. She the daughter of John Fane 9th Earl of Westmoreland and Augusta Bertie.
In 1785 [her daughter] Mary Lowther was born to [her husband] William Lowther 1st Earl Lonsdale (age 27) and Augusta Fane Countess Lonsdale (age 23).
On 21 Jul 1787 [her son] William Lowther 2nd Earl Lonsdale 1787-1872 was born to [her husband] William Lowther 1st Earl Lonsdale (age 29) and Augusta Fane Countess Lonsdale (age 25).
On 27 Jul 1790 [her son] Henry Cecil Lowther was born to [her husband] William Lowther 1st Earl Lonsdale (age 32) and Augusta Fane Countess Lonsdale (age 28) at Lowther Castle Lowther.
On 24 May 1802 James Lowther 1st Earl Lonsdale (age 65) died. His third cousin once removed [her husband] William Lowther 1st Earl Lonsdale (age 44) succeeded 2nd Viscount Lowther, 2nd Baron Lowther. Augusta Fane Countess Lonsdale (age 40) by marriage Viscountess Lowther.
In 1807 [her husband] William Lowther 1st Earl Lonsdale (age 49) was created 1st Earl Lonsdale. Augusta Fane Countess Lonsdale (age 45) by marriage Countess Lonsdale.
On 03 Jul 1815 [her son-in-law] William Vane 3rd Duke Cleveland 1792-1864 (age 23) and [her daughter] Grace Caroline Lowther Duchess of Cleveland -1883 were married at St James' Church, Piccadilly. She the daughter of William Lowther 1st Earl Lonsdale (age 57) and Augusta Fane Countess Lonsdale 1761-1838 (age 53). He the son of William Henry Vane 1st Duke Cleveland (age 48) and Catharine Margaret Powlett Countess Darlington 1766-1807. He a great x 3 grandson of King Charles II of England Scotland and Ireland. 
In 1817 [her son-in-law] John Beckett 2nd Baronet (age 41) and [her daughter] Anne Lowther were married. She the daughter of William Lowther 1st Earl Lonsdale (age 59) and Augusta Fane Countess Lonsdale 1761-1838 (age 55).
On 19 May 1817 [her son] Henry Cecil Lowther (age 26) and [her daughter-in-law] Lucy Eleanor Sherard (age 25) were married. She the daughter of Philip Sherard 5th Earl Harborough 1767-1807. He the son of William Lowther 1st Earl Lonsdale (age 59) and Augusta Fane Countess Lonsdale 1761-1838 (age 55).
On 16 Sep 1820 [her son-in-law] Frederick Cavendish-Bentinck (age 38) and [her daughter] Mary Lowther (age 35) were married. She the daughter of William Lowther 1st Earl Lonsdale (age 62) and Augusta Fane Countess Lonsdale 1761-1838 (age 58). He the son of William Cavendish-Bentinck 3rd Duke Portland and Dorothy Cavendish 3rd Duchess Portland 1750-1794.
On 06 Mar 1838 Augusta Fane Countess Lonsdale (age 76) died.
On 19 Mar 1844 [her former husband] William Lowther 1st Earl Lonsdale (age 86) died at York House Twickenham, Richmond. On 19 Mar 1844 His son [her son] William Lowther 2nd Earl Lonsdale 1787-1872 (age 56) succeeded 2nd Earl Lonsdale, 3rd Viscount Lowther, 3rd Baron Lowther.
[her daughter] Anne Lowther was born to William Lowther 1st Earl Lonsdale and Augusta Fane Countess Lonsdale.
[her daughter] Elizabeth Lowther was born to William Lowther 1st Earl Lonsdale and Augusta Fane Countess Lonsdale.
[her daughter] Grace Caroline Lowther Duchess of Cleveland -1883 was born to William Lowther 1st Earl Lonsdale and Augusta Fane Countess Lonsdale.
Paternal Family Tree: Fane
Kings Wessex: Great x 22 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 19 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 20 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 12 Grand Daughter of King Edward III of England
Kings Scotland: Great x 17 Grand Daughter of William "Lion" I King Scotland
Kings Franks: Great x 18 Grand Daughter of Louis VII King Franks
Kings France: Great x 14 Grand Daughter of Philip "The Fair" IV King France
Great x 4 Grandfather: Francis Fane 1st Earl of Westmoreland 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Francis Fane 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Mary Mildmay Countess of Westmoreland 1582-1640
10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: Francis Fane 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William West
Great x 3 Grandmother: Elizabeth West Baroness Darcy 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Katherine Darcy
7 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: Henry Fane of Brympton 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Lawrence Rushworth
Great x 3 Grandfather: John Rushworth
Great x 2 Grandmother: Hannah Rushworth
GrandFather: Thomas Fane 8th Earl of Westmoreland 1701-1771 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Robert Scrope
6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Adrian Scrope 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Margaret Cornwall
10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: Thomas Scrope 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Robert Waller
Great x 3 Grandmother: Mary Waller
Great x 4 Grandmother: Mary Bracey
Great x 1 Grandmother: Anne Scrope 9 x Great Grand Daughter of King Edward III of England
Father: John Fane 9th Earl of Westmoreland 11 x Great Grand Son of King Edward III of England
Augusta Fane Countess Lonsdale 1761-1838 12 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Robert Bertie 1st Earl Lindsey 8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Montagu Bertie 2nd Earl Lindsey 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Elizabeth Montagu Countess Lindsey -1654
10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: Robert Bertie 3rd Earl Lindsey 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: William Cockayne
Great x 3 Grandmother: Martha Cockayne Countess Lindsey and Holderness 1605-1641
Great x 1 Grandfather: Robert Bertie 1st Duke Ancaster and Kesteven 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Wharton 7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Philip Wharton 4th Baron Wharton 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Philadelphia Carey
7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Elizabeth Wharton Countess Lindsey 1632-1669 9 x Great Grand Daughter of King Edward III of England
Great x 3 Grandmother: Elizabeth Wandesford Baroness Wharton
GrandFather: Montagu Bertie 11 x Great Grand Son of King Edward III of England
Mother: Augusta Bertie 12 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: William Piers
GrandMother: Elizabeth Piers