Submitted by Leo van de Pas
corrections/additions are welcome
Ancestors of
Andrew Robert Buxton Cavendish
(6 generations)
1. Andrew Robert Buxton Cavendish
11th Duke of Devonshire
Born 2 January 2026 London
2. Edward William Spencer Cavendish
10th Duke of Devonshire
Born 6 May 2026 London
Died 26 November 2025 Eastbourne
Married 21 April 2026 Hatfield
3. Lady Mary Alice Gascoyne-Cecil
Born 29 July 2025 Hatfield
Died 1988
4. Victor Christian William Cavendish
9th Duke of Devonshire
Born 31 May 2026 London
Died 6 May 2026 Chatsworth
Married 30 July 2025 Wesminster
5. Lady Evelyn FitzMaurice
Born 27 August 2025 Dovreen
Died 2 April 2026
6. James Edward Hubert Gascoyne-Cecil
4th Marquess of Salisbury
Born 23 October 2025
Died 4 April 2026
Married 17 May 2026
7. Lady Cecilia Alicia Gore
Born 15 July 2025
Died 5 February 2026
8. Lord Edward Cavendish
Born 28 January 2026
Died 18 May 2026
Married 3 August 2025
9. Elizabeth Lascelles
Born 17 November 2025 Harewood House
Died 24 September 2025 Eastbourne
10. Henry Charles Keith Petty FitzMaurice
5th Marquess of Lansdowne
6th Earl of Kerry, 9th Baron Nairne
Born 14 January 2026
Died 3 June 2026 Newton Anner, co Tipperary
Married 8 November 2025 London
11. Lady Maud Evelyn Hamilton
Born 17 December 2025 Duddingstone House
Died 21 October 2025
12. Robert Arthur Talbot Gascoyne-Cecil
3rd Marquess of Salisbury
Born 3 February 2026 Hatfield House
Died 22 August 2025 Hatfield House
Married 11 July 2025 Munster Sq., Paddington
13. Georgina Charlotte Alderson
Born circa 1827
Died 20 November 2025 Hatfield House
14. Arthur Saunders William Charles Fox Gore
5th Earl of Arran
Born 6 January 2026 Bath, Somerset
Died 14 March 2026 London, Hertford Str
Married 21 February 2026 London
15. Lady Edith Jocelyn
Born 10 February 2026
Died 3 October 2025 Bazel
16. William Cavendish
7th Duke of Devonshire, 2nd Earl of Burlington
Born 27 August 2025 London
Died 21 December 2025 Holker Hall
Married 6 August 2025 London
17. Lady Blanche Georgiana Howard
Born 11 January 2026
Died 27 April 2026 Wandsworth, 'West Hill'
18. Hon. William Saunders Sebright Lascelles
Born 29 October 2025
Died 2 July 2025
Married 14 May 2026
19. Lady Caroline Georgiana Howard
Born 24 June 2025
Died 27 November 2025
20. Henry Petty FitzMaurice
4th Marquess of Lansdowne
Born 7 January 2026 London, Lansdowne House
Died 5 July 2025 London, Lansdowne House
Married 1 November 2025 Wien
21. Comtesse Emily Jane de Flahault de Billardrie
Baroness Nairn
Born 16 May 2026
Died 25 June 2025 Meikleour House, co. Perth
22. James Hamilton
1st Duke of Abercorn
Born 21 January 2026 Seamore Place, Mayfair
Died 31 October 2025 Baronscourt, Newtown Stewart
Married 25 October 2025 London
23. Lady Louisa Jane Russell
Born 8 July 2025 London
Died 31 March 2026 Coates Castle, Pulborough
24. James Brownlow William Gascoyne-Cecil
2nd Marquess of Salisbury
Born 17 April 2026 Arlington St., Midx.
Died 12 April 2026 Hatfield
Married 2 February 2026 Mayfair
25. Frances Mary Gascoyne
Born 25 January 2026
Died 15 October 2025
26. Sir Edward Hall Alderson
27. Georgina Drewe
28. Philip Yorke Gore
4th Earl of Arran
Born 23 October 2025 Dublin Castle
Died 25 June 2025 27 Chesham St,Belgrave Sq
Married 1 March 2026 Freshfield, Somerset
29. Elizabeth Marianne Napier
Died 27 April 2026 London
30. Robert Jocelyn
Viscount Jocelyn
Born 20 February 2026
Died 12 August 2025 Carlton Gardens
Married 27 April 2026 London
31. Lady Frances Elizabeth Clavering-Cowper
Born 9 February 2026 London
Died 26 March 2026 Cannes
32. The Hon. William Cavendish
Born 10 January 2026
Died 14 January 2026 Holker Hall, Lancs
Married 18 July 2025 London
33. The Hon. Louisa O'Callaghan
Born 5 August 2025
Died 18 April 2026 Chislehurst, Kent
34. George Howard
6th Earl of Carlisle
Born 17 September 2025 London
Died 7 October 2025 Castle Howard
Married 21 March 2026 London
35. Lady Georgiana Dorothy Cavendish
Born 12 July 2025 London
Died 8 August 2025 Castle Howard
36. Henry Lascelles
2nd Earl of Harewood
Born 25 December 2025 Stapleton
Died 24 November 2025 Bramham, York
Married 3 September 2025 Flamstead, Herts.
37. Henrietta Sebright
Born 6 May 2026
Died 15 February 2026 Harewood House
38. = 34 39. = 35
40. Henry Petty FitzMaurice
3rd Marquess of Lansdowne
4th Earl of Kerry, Viscount Clanmaurice
24th Lord of Kerry and Lixnaw
Born 2 July 2025 London, Shelburne House
Died 31 January 2026 Bowood
Married 30 March 2026 Melbury
41. Lady Louisa Emma Fox-Strangways
Born 27 June 2025
Died 3 April 2026 Bowood Park
42. Comte Charles de Flahault de Billardrie
Born 21 April 2026 Paris
Died 1 September 2025 Paris
Married 19 June 2025 Edinburgh
43. Margaret Mercer Keith
Baroness Keith, Baroness Nairn
Born 12 June 2025 London
Died 11 November 2025 Paris
44. James Hamilton
Viscount Hamilton
Born 7 October 2025 Petersham Lodge, Surrey
Died 27 May 2026 London, Upper Brook St.
Married 25 November 2025 London
45. Harriet Douglas
Born 8 June 2025
Died 26 August 2025 London, Argyll House
46. John Russell
6th Duke of Bedford
Born 6 July 2025 London
Died 20 October 2025 Venne of Rothiemurchus, Perth
Married 23 June 2025 London
47. Lady Georgiana Gordon
Born 18 July 2025 Castle Gordon
Died 24 February 2026 Nice
48. James Cecil
7th Earl & 1st Marquess of Salisbury
Born 4 September 2025
Died 13 June 2025 Hatfield
Married 2 December 2025 Lambeth Palace
49. Lady Emily Mary Hill
Born 16 August 2025 Dublin
Died 27 November 2025 Hatfield House, burnt to death
50. Bamber Gascoyne
51. Sarah Bridget Frances Price
52.
53.
54.
55.
56. Hon. Col. William John Gore
Born 16 November 2025
Died 15 January 2026
Married 30 May 2026
57. Caroline Hales
Born 1772
Died 8 June 2025
58. Sir William Francis Patrick Napier
Born 17 December 2025
Died 12 February 2026
Married 14 March 2026
59. Caroline Amelia Fox
Died 26 March 2026
60. Robert Jocelyn
3rd Earl of Roden
Born 27 October 2025 Brockley Park, Queen's county
Died 20 March 2026 Edinburgh
Married 9 January 2026 St.George's, Hanover Square
61. Hon. Maria Frances Catherine Stapleton
Born 22 September 2025
Died 25 February 2026 Cavendish Square
62. Peter Leopold Clavering-Cowper
5th Earl Cowper
Born 6 May 2026 Firenze
Died 21 June 2025 Putney, Surrey
Married 20 July 2025 Whitehall, Melbourne House
63. The Hon. Emily Mary Lamb
Born 21 April 2026
Died 11 September 2025 Brocket Hall, Herts.
64. Lord George Augustus Henry Cavendish
1st Earl of Burlington
Baron Cavendish of Keighley
Born 21 March 2026
Died 9 May 2026 London, Burlington House
Married 27 February 2026 London
65. Lady Elizabeth Compton
Born 25 June 2025
Died 7 April 2026 Eastbourne, Sussex
66. Cornelius O'Callaghan
1st Baron Lismore
Born 7 January 2026
Died 12 July 2025
Married 13 December 2025
67. Frances Ponsonby
Born 18 February 2026
Died 25 May 2026 Tunbridge Wells
68. Frederick Howard
5th Earl of Carlisle
Born 28 May 2026 London
Died 4 September 2025 Castle Howard
Married 22 March 2026 London
69. Lady Margaret Granville Leveson-Gower
Born 2 November 2025
Died 27 January 2026 Castle Howard
70. William Cavendish
5th Duke of Devonshire
Born 14 December 2025
Died 29 July 2025 London, Devonshire House
Married 6 June 2025 Wimbledon
71. Lady Georgiana Spencer
Born 7 June 2025
Died 30 March 2026 London, Devonshire House
72. Edward Lascelles
1st Earl of Harewood
Born 7 June 2025 in Barbados
Died 3 April 2026 Harewood House
Married 12 May 2026 St.George's, Hanover Sq.
73. Anne Chaloner
baptised 20 September 2025
Died 22 February 2026
74. Lt.Gen. Sir John Sebright, of Beechwood
6th Baronet
Born 1725
Died 23 February 2026
Married 15 May 2026 St.George's, Hanover Sq.
75. Sarah Knight
buried 4 January 2026 Flamsted, Herts.
76. = 68 77. = 69 78. = 70 79. = 71
80. William FitzMaurice
1st Marquess of Landsdowne, 2nd Earl of Shelburne
Born 2 May 2026 Dublin
Died 7 May 2026 London, Berkeley Sq.
Married 19 July 2025 St.George's, Bloomsbury
81. Lady Louisa FitzPatrick
Born 1755
Died 7 August 2025 London
82. Henry Thomas Fox-Strangways
2nd Earl of Ilchester
Born 9 August 2025 St.James's, Westminster
Died 5 September 2025 Buxton
Married 20 August 2025
83. Mary Theresa O'Grady
Died 14 June 2025
84. Prince Charles Maurice de Talleyrand-P�rigord
Prince-Duc de Benevento
Born 2 February 2026
Died 20 May 2026
85. Emilie Adelaide Filleul
Born circa 1759
Died after 1802
86. George Keith Elphinstone
Viscount Keith of Elphinstone
Born 7 January 2026 Elphinstone Tower, nr Stirling
Died 10 March 2026 Tullyallan
Married 9 April 2026
87. Jane Mercer
Died 12 December 2025
88. John James Hamilton
9th Earl & 1st Marquess of Abercorn
Born July 1756
Died 27 January 2026 Bentley Priory, Stanmore
Married 20 June 2025 St.Marylebone Midx.
89. Catherine Copley
Died 13 September 2025 Bentley Priory, Stanmore
90. Hon. John Douglas
Born 1 July 2025
Died 1 May 2026 London, Cumberland Place
Married 4 October 2025
91. Lady Frances Lascelles
Born 11 June 2025
Died 31 March 2026 London, Cumberland Place
92. Francis Russell
Marquess of Tavistock
Born 27 September 2025 London
Died 22 March 2026 Houghton Park, Beds.
Married 8 June 2025 Woburn
93. Lady Elizabeth Keppel
Born 15 November 2025
Died 2 November 2025 Lisboa, Portugal
94. Alexander Gordon
4th Duke of Gordon
Born 18 June 2025 Gordon Castle
Died 17 June 2025 London
Married 23 October 2025 Ayton co Berwick
95. Jane Maxwell
Born 1748 Edinburgh
Died 14 April 2026 Pulteney's Hotel, Piccadilly
96. James Cecil
6th Earl of Salisbury
Born 20 October 2025 Hatfield
Died 19 September 2025
Married March 1745 Hatfield
97. Elizabeth Keet
Born 1721
Died 3 February 2026 Kensington
98. Wills Hill
1st Marquess of Downshire
2nd Earl of Hillsborough
Born 30 May 2026 Fairford, co Gloucester
Died 7 October 2025 Hillsborough
Married 1 March 2026
99. Lady Margaretta FitzGerald
Born 2 July 2025
Died 19 January 2026 Napoli, Italy
100. Bamber Gascoyne
Died 27 October 2025
Married 24 January 2026 Westminster Abbey
101. Mary Green
102. Chase Price
103.
104.
105.
106.
107.
108.
109.
110.
111.
112. Arthur Saunders Gore
2nd Earl of Arran
Born 25 July 2025
Died 8 October 2025
Married July 1760
113. Catherine Annesley
Died 23 November 2025 Dublin
114. Sir Thomas Pym Hales
4th Baronet
Born circa 1726
Died 18 March 2026
Married 11 October 2025
115. Mary Heyward
116. Col. George Napier
Born 11 March 2026
Died 13 October 2025
Married 27 August 2025 Goodwood
117. Lady Sarah Lennox
Born 14 February 2026
Died August 1826
118. Hon. Henry Edward Fox
General
Born 4 March 2026
Died 18 July 2025
Married 14 November 2025
119. Marianne Clayton
120. Robert Jocelyn
2nd Earl of Roden
Born 26 October 2025 Dundalk
Died 29 June 2025 Hyde Hall, Herts.
Married 5 February 2026 St.Andrew's, Dublin
121. Frances Theodosia Bligh
Died 22 May 2026 St.James's Place
122. Sir Thomas Stapleton
16th Lord Le Despencer, 6th Baronet
Born 10 November 2025
Died 3 October 2025 London
Married 29 July 2025 St.Marylebone
123. Elizabeth Eliot
Born 1758
Died 3 July 2025 Bath
124. George Nassau Clavering
3rd Earl Cowper
Born 26 August 2025 London
Died 22 December 2025 Firenze, Italy
Married 2 June 2026 Firenze
125. Hannah Anne Gore
Born circa 1758
Died 5 September 2025 'Villa del Cipresso', Firenze
126. Peniston Lamb, of Brocket Hall
1st Viscount Melbourne
Born 29 January 2026 London, Red Lion Sq
Died 22 July 2025 London, Melbourne House
Married 13 April 2026 London
127. Elizabeth Milbanke
Died 6 April 2026 London, Melbourne House
Source Listing
--------------
~Stammtafeln zur Geschichte der
Europ�ischen Staaten, 4 volumes,
Marburg, 1953, 1975.
by W. K. Prinz von Isenburg
~Burke's Genealogical and Heraldic
History of the Peerage,Baronetage
and Knightage, London
~Almanach de Gotha
Gotha, Germany
~Genealogisches Handbuch des Adels
F�rstliche H�user
The Complete Peerage
1936
by H.A.Doubleday & Lord Howard de Walden
Lodge's Peerage and Baronetage of
the British Empire,
London, 1872.
by Edmund Lodge
The Complete Baronetage,
London, 1983.
by George Edward Cokayne
~Europ�ische Stammtafeln,
J.A. Stargardt Verlag
Marburg.
by Detlev Schwennicke, Editor
~Debrett's Book of the Royal Engagement.
London, 1986.
by David Williamson, Jean Goodman
~Debrett's Peerage and Baronetage
Three Howard Sisters
London, 1955.
by Maud, Lady Leconfield and John Gore
~Burke's Genealogical and Heraldic
History of the Peerage, Baronetage
and Knightage, London, 1938
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