See also Family Trees and the Dukes and Duchesses. The categories below overlap. Many family members were politicians; some politicians were more distant family members. Staff members were often friends as well as employees.

Brydges, Chandos and Gamon
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
Dukes and Duchesses of Chandos								Ancestors of First Duchess
Anne Eliza Gamon								Mother of First Duchess
Sir Richard Grace Gamon								Uncle of Anna Eliza and MP
Charlotte Gamon								Cousin of Anna Eliza
Lady Caroline Leigh								Guardian of First Duchess
Grenville
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
Countess St George Chandos								Illegitimate daughter of 2nd Duke
Anna Eliza Mary Grenville								Daughter of 2nd Duke
Anne Grenville [Temple-Gore-Langton]								Daughter of 3rd Duke
Catherine Grenville [Neville]								Sister of Nugent Buckingham
Charlotte Grenville [Watkins Wynn]								Sister of Nugent Buckingham
Caroline Jemima Elizabeth Grenville [Temple-Gore-Langton]								Daughter of 3rd Duke
Elizabeth Grenville [Proby]								Sister of Nugent Buckingham
Eustace Grenville Murray								Illegitimate son of the 1st or 2nd Duke
George Grenville								Father of Nugent Buckingham and politician
George Grenville (Nugent Buckingham)								George Nugent-Temple Grenville, father of 1st Duke
Baron George Nugent								George Nugent Grenville, brother of 1st Duke
Hester Grenville [Fortescue]								Sister of Nugent Buckingham
James Grenville (Lord Glastonbury)								First cousin of Nugent Buckingham.
Lady Mary Grenville [ Arundell]								Sister of first Duke
Mary Grenville [Temple-Gore-Langton]								Daughter of 3rd Duke
Richard Grenville								Brother of Nugent Buckingham
Thomas Grenville								Brother of Nugent Buckingham
William Wyndham Grenville								Brother of Nugent Buckingham
Nugent
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
George Thomas John Nugent								8th Earl of Westmeath
Robert Nugent								Father of Mary Elizabeth Nugent & poet
Mary Elizabeth Nugent								Mother of 1st Duke
Louisa Elizabeth Nugent								Married 1st Baron Cottesloe
Field Marshall Sir George Nugent								Half-brother of Mary Elizabeth Nugent
Maria Nugent [Skinner]								Diarist and wife of Field Marshall Sir George Nugent
Rosa Emily Mary Anne Nugent								Daughter of George Thomas John Nugent
Other Family
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
James Everard Arundell								Wife of Lady Mary Grenville
Hugh Fortescue								Grenvillite MP; married Hester Grenville
Richard Aldworth Neville								Grenvillite MP; married Catherine Grenville. Later Lord Braybrooke.
Anne Lucy Poulet								Wife of Baron George Nugent
John Joshua Proby								Grenvillite MP; married Elizabeth Grenville
William Stephen Temple-Gore-Langton								Married Anna Eliza, daughter of 3rd Duke
William Henry Powell Gore-Langton								Grandson of 2nd Duke
Helen Mabel Montgomery								Married William Henry Powell Gore-Langton
Fremantle
William Henry Fremantle								Political associate of Nugent Buckingham & 1st Duke; Grenvillite MP
Thomas Francis Fremantle								Admiral
Elizabeth (Betsy) Fremantle (and sisters)								Diarist and wife of Admiral Thomas Fremantle
William Robert Fremantle								Rector and son of Admiral Thomas Fremantle
Thomas Francis Fremantle (1st Baron Cottesloe)								Son of Admiral Thomas Fremantle and trustee to Grenville estates in 1832
Charles Howe Fremantle								Son of Admiral Thomas Fremantle and founder of Fremantle, western Australia

Contemporaries
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
Anne Louisa Emily Berkeley								Wife of Thomas Masterman Hardy
Sir Scrope Bernard Morland								Private Secretary to Nugent Buckingham and MP
Mary Buchanan								Friend of 1st Duke and Duchess
Sir Francis Buller								Judge and guardian of 1st Duchess
William Cleaver								Principal of Brasenose College
Charles & Robert Greville								Diarists
Percy Grace R.N.								Friend of 1st Duke and Duchess
Thomas Masterman Hardy								Naval Officer who duelled with first Duke
Jerningham Family								Catholic friends of Mary Nugent
Lady Sarah Jersey								Socialite
Captain William Jervoise								Friend of the second Duke
Princess Lieven								Political and social commentator
Louis XIII								King of France, lived at Gosfield & Stowe in exile
William Pigott								Friend and Bucks Militia
James Talbot								Confidant of Grenvilles
George Grenville Wandesford Pigott								MP and Trustee
Charlotte [Long] Pigott								Wife of Grenville Pigott
Emma [Pigott] Wilson								Accompanied Duke on 1827 voyage
Staff & Professional
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
Dr Charles O'Conor								Librarian at Stowe
John Broadway								Stowe Steward
John Grosvenor								Oxford Doctor
Robert Holt								Rector of Finmere and tutor to first Duke
Tobias Ledbrook								Physician & general factotum
Sir John Soane								Architect at Stowe, Wotton & Buckingham House
Politicians
Name	Before 1790	1790 to 1890	After 1890	Family	Politics	Military	Prof	Description
Henry Addington								MP and Prime Minister
George Cranfield Berkeley								Grenvillite MP and Admiral
Lord Bulkeley (Thomas James)								Grenvillite MP
George Canning								MP and Prime Minister
Thomas Creevey								MP and anti-Grenville commentator
Lord Castlereagh (Robert Stewart)								Politician
Sir James Buller East								MP and trustee to Grenville estates in 1832
Edward Hyde East								Grenvillite MP for Winchester
Lord Ebrington (Hugh Fortescue)								Wobbly Grenvillite MP
Lord Essex (George Capel Coningsby)								Grenvillite MP
Lord Liverpool (Robert Banks Jenkinson)								Politician and Prime Minister
Lords Melville (Henry & Robert Saunders Dundas Melville)								Politicians and First Lord of the Admiralty
William Pitt the Younger								Politician and Prime Minister
William Shipley								Grenvillite MP
James Hamilton Stanhope								Wobbly Grenvillite MP
George Tierney								Politician
Lord Edward Thurlow								Lord Chancellor
Robert Williams								(1) Grenvillite MP (2) Friend of the first Duke
Charles Watkin Williams Wynne								Grenvillite MP
Sir Watkin Williams Wynne (5th Bt)								Grenvillite MP
Sir William Young								Grenvillite MP

Definitions

Married or maiden names are given in [square brackets].
From about 1790 to about 1890 covers the active lives of the three Dukes; boxes are not checked if person lived for only a few years in that period.
Prof: Professional, Agents, Servants, Stewards, Solicitors, Doctors, etc.
Politician: Only checked where the person had a significant political career
Military: Significant involvement only.