On 09 Jul 1788 [his father] Aubrey Beauclerk 6th Duke St Albans (age 22) and Jane Moses (age 20) were married. He the son of Aubrey Beauclerk 5th Duke St Albans 1740-1802 (age 48) and Catherine Ponsonby Duchess St Albans 1742-1789 (age 45). He a great x 2 grandson of King Charles II of England Scotland and Ireland. 
On 09 Feb 1802 [his grandfather] Aubrey Beauclerk 5th Duke St Albans 1740-1802 (age 61) died. He was buried at Hanworth. His son [his father] Aubrey Beauclerk 6th Duke St Albans (age 36) succeeded 6th Duke St Albans, 6th Earl Burford, 6th Baron Heddington.
On 15 Aug 1802 [his father] Aubrey Beauclerk 6th Duke St Albans (age 36) and [his mother] Louisa Grace Manners Duchess St Albans 1777-1816 (age 25) were married. She by marriage Duchess St Albans. She the daughter of John Manners and Louisa Tollemache 7th Countess Dysart 1745-1840 (age 57). He the son of Aubrey Beauclerk 5th Duke St Albans 1740-1802 and Catherine Ponsonby Duchess St Albans 1742-1789. They were half third cousins. He a great x 2 grandson of King Charles II of England Scotland and Ireland. 
On 07 Apr 1815 Aubrey Beauclerk 7th Duke St Albans was born to Aubrey Beauclerk 6th Duke St Albans (age 49) and Louisa Grace Manners Duchess St Albans 1777-1816 (age 38). His father died four months later. He a great x 3 grandson of King Charles II of England Scotland and Ireland.
On 12 Aug 1815 [his father] Aubrey Beauclerk 6th Duke St Albans (age 49) died. His son Aubrey Beauclerk 7th Duke St Albans succeeded 7th Duke St Albans, 7th Earl Burford, 7th Baron Heddington. He was four months old.
On 19 Feb 1816 [his mother] Louisa Grace Manners Duchess St Albans 1777-1816 (age 39) died. The same day her son Aubrey Beauclerk 7th Duke St Albans died. His uncle [his uncle] William Beauclerk 8th Duke St Albans 1766-1825 (age 49) succeeded 8th Duke St Albans, 8th Earl Burford, 8th Baron Heddington. by marriage Duchess St Albans. Both at the home of her sister [his aunt] Laura Manners Countess Stair and her husband (age 31) at Portman Square Marylebone.
Paternal Family Tree: Stewart
Maternal Family Tree: Ursula St Barbe 1532-1602
Descendants Family Trees:
Kings Wessex: Great x 22 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 19 Grand Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 24 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 20 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 3 Grand Son of King Charles II of England Scotland and Ireland
Kings Scotland: Great x 15 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 18 Grand Son of Louis VII King Franks
Kings France: Great x 5 Grand Son of Henry IV King France
Great x 4 Grandfather: King Charles I of England, Scotland and Ireland Son of King James I of England and Ireland and VI of Scotland
Great x 3 Grandfather: King Charles II of England Scotland and Ireland Son of King Charles I of England, Scotland and Ireland
Great x 4 Grandmother: Henrietta Maria Bourbon Queen Consort England
7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Charles Beauclerk 1st Duke St Albans Son of King Charles II of England Scotland and Ireland
Great x 3 Grandmother: Nell Gwyn
Great x 1 Grandfather: Vere Beauclerk 1st Baron de Vere Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Robert de Vere 19th Earl of Oxford 1575-1632
8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Aubrey de Vere 20th Earl of Oxford 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 2 Grandmother: Diana Vere Duchess St Albans 1679-1742 10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: George Kirke
Great x 3 Grandmother: Diana Kirke Countess of Oxford
GrandFather: Aubrey Beauclerk 5th Duke St Albans 1740-1802 Great Grand Son of King Charles II of England Scotland and Ireland
Great x 2 Grandfather: Thomas Chambers
Great x 1 Grandmother: Mary Chambers Baroness Spencer 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: George Berkeley 1st Earl Berkeley
7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Charles Berkeley 2nd Earl Berkeley 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Elizabeth Massingberd Couness Berkeley
Great x 2 Grandmother: Mary Berkeley 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Baptist Noel 3rd Viscount Campden
Great x 3 Grandmother: Elizabeth Noel Countess Berkeley 1654-1719
Great x 4 Grandmother: Hester Wotton Viscountess Campden
Father: Aubrey Beauclerk 6th Duke St Albans 2 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: John Ponsonby
Great x 3 Grandfather: William Ponsonby 1st Viscount Duncannon 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Elizabeth Folliot 9 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: Brabazon Ponsonby 1st Earl Bessborough 1679-1758 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Randle Moore
Great x 3 Grandmother: Mary Moore
Great x 1 Grandfather: William Ponsonby 2nd Earl Bessborough 12 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Archbishop James Margetson
Great x 3 Grandfather: John Margetson
Great x 4 Grandmother: Anne Bonnett
Great x 2 Grandmother: Sarah Margetson 13 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: William Caulfeild 1st Viscount Charlemont 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Alice Caulfeild Baroness Carpenter 12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Sarah Moore Viscountess Charlemont
GrandMother: Catherine Ponsonby Duchess St Albans 1742-1789 12 x Great Grand Daughter of Henry IV King England
Great x 4 Grandfather: William Cavendish 1st Duke Devonshire
9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: William Cavendish 2nd Duke Devonshire 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Mary Butler Duchess Devonshire
10 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: William Cavendish 3rd Duke Devonshire 10 x Great Grand Son of Henry IV King England
Great x 4 Grandfather: William Russell
10 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Rachel Russell Duchess Devonshire 1674-1725 9 x Great Grand Daughter of Henry IV King England
Great x 4 Grandmother: Rachel Wriothesley
8 x Great Grand Daughter of Henry IV King England
Great x 1 Grandmother: Caroline Cavendish Countess Bessborough 1719-1760 11 x Great Grand Daughter of Henry IV King England
Aubrey Beauclerk 7th Duke St Albans 1815-1816 3 x Great Grand Son of King Charles II of England Scotland 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 Grandfather: John Manners 1st Duke Rutland 8 x Great Grand Son 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 2 Grandfather: John Manners 2nd Duke Rutland 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Baptist Noel 3rd Viscount Campden
Great x 3 Grandmother: Catherine Noel Duchess Rutland 11 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Elizabeth Bertie Viscountess Campden
10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 1 Grandfather: William Manners 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Russell 1st Duke Bedford 9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: William Russell 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Anne Carr Countess of Bedford
9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Catherine Russell Duchess Rutland 1676-1711 9 x Great Grand Daughter of Henry IV King England
Great x 4 Grandfather: Thomas Wriothesley 4th Earl of Southampton 2nd Earl Chichester 7 x Great Grand Son of Henry IV King England
Great x 3 Grandmother: Rachel Wriothesley 8 x Great Grand Daughter of Henry IV King England
GrandFather: John Manners 11 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: William Smyth of Shrewsbury
Great x 1 Grandmother: Corbetta Smyth
Mother: Louisa Grace Manners Duchess St Albans 1777-1816 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Lionel Tollemache 3rd Baronet 7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Lionel Tollemache 3rd Earl Dysart 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Elizabeth Murray Duchess Lauderdale
Great x 2 Grandfather: Lionel Tollemache 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Wilbraham 3rd Baronet 9 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Grace Wilbraham Countess Dysart 1661-1740 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Mytton Lady Wilbrahim
Great x 1 Grandfather: Lionel Tollemache 4th Earl Dysart 1708-1770 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Cavendish 1st Duke Devonshire 9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: William Cavendish 2nd Duke Devonshire 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Mary Butler Duchess Devonshire 10 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Henrietta Cavendish 11 x Great Grand Daughter of King Edward III of England
Great x 3 Grandmother: Mary Heneage
GrandMother: Louisa Tollemache 7th Countess Dysart 1745-1840 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Philip Carteret
13 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: George Carteret 1st Baron Carteret 12 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Jemima Montagu 11 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: John Carteret 2nd Earl Granville 13 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: John Granville 1st Earl Bath
Great x 3 Grandmother: Jane Granville Baroness Gower 1654-1744
Great x 4 Grandmother: Jane Wyche
Great x 1 Grandmother: Grace Carteret Countess Dysart 1713-1755 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Robert Worsley 3rd Baronet 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Robert Worsley 4th Baronet 9 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Mary Herbert Countess Gainsborough -1693
9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Frances Worsley Countess Granville 1693-1743 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Thomas Thynne 1st Viscount Weymouth
10 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Frances Thynne 6 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Frances Finch Viscountess Weymouth
5 x Great Grand Daughter of King Henry VII of England and Ireland