William Cavendish 1783-1812

Paternal Family Tree: Cavendish

Maternal Family Tree: Elizabeth Norborne

On 27th February 1782 [his father] George Augustus Henry Cavendish 1st Earl Burlington [aged 27] and [his mother] Elizabeth Compton Countess Burlington [aged 21] were married at London. She by marriage Countess Burlington. She the daughter of [his grandfather] Charles Compton 7th Earl of Northampton and [his grandmother] Anne Somerset Countess Northampton. He the son of William Cavendish 4th Duke Devonshire and Charlotte Elizabeth Boyle Marchioness Hartington. They were fourth cousins.

On 10th January 1783 William Cavendish was born to George Augustus Henry Cavendish 1st Earl Burlington [aged 28] and Elizabeth Compton Countess Burlington [aged 22].

Around 1793 William Cavendish [aged 9] educated at Eton College [Map].

Around 1798 William Cavendish [aged 14] educated at Trinity College, Cambridge University [Map].

Around 1799. George Sanders [aged 25]. Portrait of William Cavendish [aged 15] aged 16.

In July 1803 William Cavendish [aged 20] was elected MP Aylesbury.

In May 1804 William Cavendish [aged 21] was elected MP Knaresborough.

In 1806 William Cavendish [aged 22] was elected MP Derby.

On 18th July 1807 William Cavendish [aged 24] and Louisa O'Callaghan were married. He the son of George Augustus Henry Cavendish 1st Earl Burlington [aged 53] and Elizabeth Compton Countess Burlington [aged 47].

The Deeds of the Dukes of Normandy

The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.

Available at Amazon in eBook and Paperback format.

On 27th April 1808 [his son] William Cavendish 7th Duke Devonshire was born to William Cavendish [aged 25] and [his wife] Louisa O'Callaghan. He married 1829 his second cousin Blanche Georgiana Howard, daughter of George Howard 6th Earl Carlisle and Georgiana Cavendish Countess Carlisle, and had issue.

On 11th April 1809 [his daughter] Fanny Cavendish was born to William Cavendish [aged 26] and [his wife] Louisa O'Callaghan. She married 1st July 1837 her fifth cousin Frederick Howard and had issue.

On 19th August 1810 [his son] George Henry Cavendish was born to William Cavendish [aged 27] and [his wife] Louisa O'Callaghan at Berkeley Square, Mayfair. He married 4th July 1835 Louisa Lascelles, daughter of Henry Lascelles 2nd Earl Harewood and Henrietta Sebright Countess Harewood, and had issue.

Before 1812. Henry Hoppner Meyer [aged 31]. Drawing of William Cavendish [aged 28] after George Sanders aka Saunders.

On 15th January 1812 William Cavendish [aged 29] died.

On 3rd July 1812 [his son] Richard Cavendish was born to William Cavendish and [his wife] Louisa O'Callaghan.

Ancestors of William Cavendish 1783-1812

Great x 4 Grandfather: William Cavendish 3rd Earl Devonshire 10 x Great Grandson of King Edward I of England

Great x 3 Grandfather: William Cavendish 1st Duke Devonshire 9 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Elizabeth Cecil Countess Devonshire 8 x Great Granddaughter of King Edward III of England

Great x 2 Grandfather: William Cavendish 2nd Duke Devonshire 10 x Great Grandson of King Edward III of England

Great x 4 Grandfather: James Butler 1st Duke Ormonde 9 x Great Grandson of King Edward III of England

Great x 3 Grandmother: Mary Butler Duchess Devonshire 10 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Elizabeth Preston Duchess Ormonde 9 x Great Granddaughter of King Edward III of England

Great x 1 Grandfather: William Cavendish 3rd Duke Devonshire 10 x Great Grandson of King Henry IV of England

Great x 4 Grandfather: William Russell 1st Duke Bedford 9 x Great Grandson of King Edward III of England

Great x 3 Grandfather: William Russell 9 x Great Grandson of King Robert III of Scotland

Great x 4 Grandmother: Anne Carr Countess of Bedford 8 x Great Granddaughter of King Robert III of Scotland

Great x 2 Grandmother: Rachel Russell Duchess Devonshire 9 x Great Granddaughter of King Henry IV of England

Great x 4 Grandfather: Thomas Wriothesley 4th Earl of Southampton 2nd Earl Chichester 7 x Great Grandson of King Henry IV of England

Great x 3 Grandmother: Rachel Wriothesley 8 x Great Granddaughter of King Henry IV of England

Great x 4 Grandmother: Rachel Massue Countess Southampton

Grandfather: William Cavendish 4th Duke Devonshire 11 x Great Grandson of King Henry IV of England

Great x 3 Grandfather: Charles Hoskins

Great x 2 Grandfather: John Hoskins of Oxted

Great x 1 Grandmother: Catherine Hoskins Duchess Devonshire

Great x 3 Grandfather: William Hale

Great x 2 Grandmother: Catherine Hale

father: George Augustus Henry Cavendish 1st Earl Burlington 8 x Great Grandson of King Henry VII of England and Ireland

Great x 4 Grandfather: Richard Boyle 2nd Earl Cork 1st Earl Burlington

Great x 3 Grandfather: Charles Boyle 3rd Baron Clifford 9 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Elizabeth Clifford Countess Burlington 8 x Great Granddaughter of King Edward III of England

Great x 2 Grandfather: Charles Boyle 2nd Earl Burlington 5 x Great Grandson of King Henry VII of England and Ireland

Great x 4 Grandfather: William Seymour 2nd Duke of Somerset 3 x Great Grandson of King Henry VII of England and Ireland

Great x 3 Grandmother: Jane Seymour 4 x Great Granddaughter of King Henry VII of England and Ireland

Great x 4 Grandmother: Frances Devereux Duchess of Somerset 8 x Great Granddaughter of King Edward III of England

Great x 1 Grandfather: Richard Boyle 3rd Earl Burlington 6 x Great Grandson of King Henry VII of England and Ireland

Great x 4 Grandfather: Baptist Noel 3rd Viscount Campden 21 x Great Grandson of Hugh I King of the Franks

Great x 3 Grandfather: Henry Noel 22 x Great Grandson of Hugh I King of the Franks

Great x 4 Grandmother: Hester Wotton Viscountess Campden

Great x 2 Grandmother: Juliana Noel Countess Burlington 23 x Great Granddaughter of Hugh I King of the Franks

Grandmother: Charlotte Elizabeth Boyle Marchioness Hartington 7 x Great Granddaughter of King Henry VII of England and Ireland

Great x 4 Grandfather: William Savile 3rd Baronet 8 x Great Grandson of King Edward III of England

Great x 3 Grandfather: George Savile 1st Marquess Halifax 9 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Anne Coventry Baroness Savile

Great x 2 Grandfather: William Savile 2nd Marquess Halifax 10 x Great Grandson of King Edward III of England

Great x 4 Grandfather: Henry Spencer 1st Earl of Sunderland 8 x Great Grandson of King Henry IV of England

Great x 3 Grandmother: Dorothy Spencer Lady Savile 9 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Dorothy Sidney Countess Sunderland 8 x Great Granddaughter of King Edward III of England

Great x 1 Grandmother: Dorothy Savile Countess Burlington 11 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Heneage Finch 1st Earl Nottingham 9 x Great Grandson of King Edward III of England

Great x 3 Grandfather: Daniel Finch 2nd Earl Nottingham 7th Earl Winchilsea 10 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Elizabeth Harvey Baroness Finch

Great x 2 Grandmother: Mary Finch Duchess Roxburghe 10 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Robert Rich 3rd Earl Warwick 9 x Great Grandson of King Edward III of England

Great x 3 Grandmother: Essex Rich Countess Nottingham 9 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Anne Cheeke Countess Warwick 8 x Great Granddaughter of King Edward III of England

William Cavendish 9 x Great Grandson of King Henry VII of England and Ireland

Great x 4 Grandfather: Spencer Compton 2nd Earl of Northampton 7 x Great Grandson of King Edward III of England

Great x 3 Grandfather: James Compton 3rd Earl of Northampton 8 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Mary Beaumont Countess of Northampton 8 x Great Granddaughter of King Edward III of England

Great x 2 Grandfather: George Compton 4th Earl of Northampton 9 x Great Grandson of King Edward III of England

Great x 4 Grandfather: Baptist Noel 3rd Viscount Campden 21 x Great Grandson of Hugh I King of the Franks

Great x 3 Grandmother: Mary Noel Countess Northampton 22 x Great Granddaughter of Hugh I King of the Franks

Great x 4 Grandmother: Hester Wotton Viscountess Campden

Great x 1 Grandfather: Charles Compton 10 x Great Grandson of King Edward III of England

Great x 4 Grandfather: William Fox of Farley Wiltshire

Great x 3 Grandfather: Stephen Fox

Great x 4 Grandmother: Christian Palfreyman

Great x 2 Grandmother: Jane Fox Countess Northampton

Great x 4 Grandfather: William Whittle of the City of London

Great x 3 Grandmother: Elizabeth Whittle

Grandfather: Charles Compton 7th Earl of Northampton 11 x Great Grandson of King Edward III of England

Great x 4 Grandfather: Richard Lucy 1st Baronet

Great x 3 Grandfather: Kingsmill Lucy 2nd Baronet

Great x 4 Grandmother: Jane Chapman Lady Lucy

Great x 2 Grandfather: Berkeley Lucy 3rd Baronet 9 x Great Grandson of King Edward III of England

Great x 4 Grandfather: George Berkeley 1st Earl Berkeley 7 x Great Grandson of King Edward III of England

Great x 3 Grandmother: Theophila Berkeley 8 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Elizabeth Massingberd Couness Berkeley

Great x 1 Grandmother: Mary Lucy 10 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Charles Cotton

Great x 3 Grandfather: Charles Cotton

Great x 2 Grandmother: Catherine Cotton 9 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Thomas Hutchinson 9 x Great Grandson of King Edward III of England

Great x 3 Grandmother: Isabella Hutchinson 8 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Catherine Stanhope 7 x Great Granddaughter of King Edward III of England

mother: Elizabeth Compton Countess Burlington 12 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Henry Somerset 1st Duke Beaufort 9 x Great Grandson of King Edward III of England

Great x 3 Grandfather: Charles Somerset Marquess Worcester 10 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Mary Capell Duchess Beaufort 9 x Great Granddaughter of King Edward III of England

Great x 2 Grandfather: Henry Somerset 2nd Duke Beaufort 11 x Great Grandson of King Edward III of England

Great x 4 Grandfather: Josiah Child

Great x 3 Grandmother: Rebecca Child Marchioness Worcester

Great x 1 Grandfather: Charles Noel Somerset 4th Duke Beaufort 11 x Great Grandson of King Henry IV of England

Great x 4 Grandfather: Edward Noel 1st Earl Gainsborough 22 x Great Grandson of Hugh I King of the Franks

Great x 3 Grandfather: Wriothesley Baptist Noel 2nd Earl Gainsborough 9 x Great Grandson of King Henry IV of England

Great x 4 Grandmother: Elizabeth Wriothesley Countess Gainsborough 8 x Great Granddaughter of King Henry IV of England

Great x 2 Grandmother: Rachel Noel Duchess Beaufort 10 x Great Granddaughter of King Henry IV of England

Great x 4 Grandfather: Fulke Greville 5th Baron Brooke 9 x Great Grandson of King Edward III of England

Great x 3 Grandmother: Catherine Greville Duchess Buckingham and Normandby 10 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Sarah Dashwood Baroness Brooke

Grandmother: Anne Somerset Countess Northampton 12 x Great Granddaughter of King Henry IV of England

Great x 4 Grandfather: Maurice Berkeley 10 x Great Grandson of King Edward I of England

Great x 3 Grandfather: Richard Berkeley 11 x Great Grandson of King Edward I of England

Great x 2 Grandfather: John Symes Berkeley 12 x Great Grandson of King Edward I of England

Great x 1 Grandmother: Elizabeth Berkeley Duchess Beaufort 13 x Great Granddaughter of King Edward I of England

Great x 2 Grandmother: Elizabeth Norborne

William Cavendish 1783-1812

Royal Ancestors of William Cavendish 1783-1812

Ancestors of William Cavendish 1783-1812