Submitted by Leo van de Pas
corrections/additions are welcome
Ancestors of
William Cavendish, 2nd Duke of Devonshire
(6 generations)
1. William Cavendish
2nd Duke of Devonshire
Born 1672
Died 4 June 2026 London, Devonshire House
2. William Cavendish
4th Earl & 1st Duke of Devonshire
Born 25 January 2026
Died 18 August 2025 London, Devonshire House
Married 26 October 2025 Kilkenny Castle, co Tipperary
3. Lady Mary Butler
Born 1646
Died 31 July 2025
4. William Cavendish
3rd Earl of Devonshire
Born 10 October 2025
Died 23 November 2025 Roehampton House, Surrey
Married 4 March 2026 London
5. Lady Elizabeth Cecil
Born 1620
Died 19 November 2025
6. James Butler
1st Duke of Ormonde
Born 19 October 2025 Clerkenwell, Midx.
Died 21 July 2025 Kingston Hall, Kingston Lacy
Married September 1629
7. Lady Elizabeth Preston
Baroness Dingwall
Born 25 July 2025
Died 21 July 2025 St.James's Square
8. William Cavendish
2nd Earl of Devonshire
Born 1590
Died 20 June 2025 London, Bishopsgate Str.
Married 10 April 2026 London
9. Christian Bruce
Born 28 December 2025
Died 16 January 2026 Southampton Buildings
10. William Cecil
2nd Earl of Salisbury
Born 28 March 2026 Westminster
Died 3 December 2025
Married 1 December 2025
11. Lady Catherine Howard
buried 27 January 2026 Hatfield
12. Thomas Butler
Viscount Thurles
Born before 1596
Died 15 December 2025 (drowned)
Married before 1610
13. Elizabeth Poyntz
Born circa 1588
Died May 1673 Thurles
14. Richard Preston
Lord Dingwall
Died 28 October 2025
Married 1614
15. Lady Elizabeth Butler
Died 10 October 2025
16. William Cavendish
1st Earl of Devonshire
Born 27 December 2025
Died 3 March 2026 Hardwicke
Married 21 March 2026 *
17. Anne Kighley
Died before 1619
18. Sir Edward Bruce
1st Baron Kinloss
Born 1548
Died 14 January 2026 London
19. Magdalene Clerk
Died after 3 January 2026
20. Robert Cecil
1st Earl of Salisbury
Born 1 June 2026 Westminster
Died 24 May 2026 St.Margaret's Priory,Marlbor.
Married 31 August 2025
21. Elizabeth Brooke
Born 1 January 2026
Died 24 June 2025 London, The Strand
22. Lord Thomas Howard
1st Earl of Suffolk
Baron Howard de Walden
Born 24 August 2025
Died 28 May 2026 Suffolk House nr Charing Cross
Married 1583
23. Catherine Knyvett
Born circa 1566
Died 8 September 2025
24. Walter Butler
11th Earl of Ormonde
Born 1569
Died 24 February 2026
Married before 1576
25. The Hon. Helen Butler
Died 28 January 2026
26. Sir John Poyntz, of Iron-Acton
Born 1560
buried 29 November 2025
Married 10 February 2026
27. Elizabeth Sydenham
Born 1562
buried 7 December 2025
28. Richard Preston, of Whitehill
Died 1571
29. Helen Coutts, of Bowhill
Died October 1575
30. Thomas Butler
10th Earl of Ormonde
Born 1531
Died 22 November 2025
Married 9 November 2025
31. Elizabeth Sheffield
Died November 1600
32. Sir William Cavendish, of Chatsworth
Born circa 1505
Died 25 October 2025
Married 20 August 2025 Bradgate
33. Elizabeth Hardwick
Born 1521
Died 13 February 2026 Hardwick Hall
34. Henry Kighley
35. Mary Carus
36. Edward Bruce, of Blairhall
Born 1505
Died 1565
37. Alison Reid, of Aikenhead
38. Alexander Clerk, of Balbirnie
39.
40. William Cecil
1st Baron Burghley
Born 13 September 2025
Died 4 August 2025 Burghley House, Strand, Midx.
Married 21 October 2025
41. Mildred Cooke
Born 24 August 2025 Romford
Died 5 April 2026 Burghley House, Strand, Midx.
42. William Brooke
10th Lord Cobham
Born 1 November 2025
Died 6 March 2026
Married 25 February 2026 Westminster Palace
43. Frances Newton
Died 17 October 2025
44. Thomas Howard
4th Duke of Norfolk
Born 10 March 2026
Died 2 June 2026 Tower Hill (beheaded)
Married circa 10 December 2025
45. Margaret Audley
Born 1540
Died 9 January 2026 Norwich
46. Sir Henry Knyvett, of Charlton
Died 14 June 2025
Married 13 May 2026
47. Elizabeth Stump, of Malmesbury
Died 13 July 2025
48. The Hon. John Butler, of Kilcash
Died 10 May 2026
49. Catherine MacCarty
50. Edmund Butler
2nd Viscount Mountgarret
Died 24 November 2025
51. Grizel FitzPatrick, of Upper Ossory
52. Sir Nicholas Poyntz, of Iron Acton
Born circa 1535 /1536
Died 1 September 2025
Married 12 May 2026
53. Anne Verney, of Pendley
54. Alexander Sydenham, of Luxborough
Died 1602
55. Anne Sydenham, of Brimpton
56. Thomas Preston, of Whitehill
57.
58. Alan Coutts, of Bowhill
59.
60. James Butler
9th Earl of Ormonde, 2nd Earl of Ossory
Born circa 1496
Died 28 October 2025 London (poisoned)
61. Lady Joan FitzGerald
Died 2 January 2026
62. John Sheffield
2nd Lord Sheffield
Born circa 1538
Died 10 December 2025
Married circa 1562
63. Douglas Howard
Born 1545
buried 11 December 2025
64. Thomas Cavendish
of Cavendish Overhall
Died 1524
65. Alice Smith, of Podbrook Hall
Died 12 November 2025
66. John Hardwick, of Hardwick
Born 1496
Died 24 January 2026
67. Elizabeth Leake
68. Henry Kighley, of Inskip
69. Cecily Butler
70. Thomas Carus
71. Catherine Preston
72. Sir David Bruce, of Clackmannan
Married circa 1497
73. Janet Blackadder
74. John Reid, of Aikenhead
75.
76.
77.
78.
79.
80. Richard Cecil, of Burleigh
Died 19 March 2026
81. Jane Heckington
Died 10 March 2026
82. Sir Anthony Cooke, of Gidea Hall, Essex
Born 1504
Died 11 June 2025
83. Anne FitzWilliam
84. George Brooke
9th Lord Cobham
Born circa 1497
Died 29 September 2025 Cobham Hall
Married before 1526
85. The Hon. Anne Braye
Died 1 November 2025
86. Sir John Newton
87. Margaret Poyntz
88. Henry Howard
Earl of Surrey
Born 1517 Tendring Hall
Died 21 January 2026 Tower Hill (beheaded)
Married 13 February 2026 *
89. Lady Frances de Vere
Born circa 1516
Died 30 June 2025 Soham Earl nr Framlingham
90. Thomas Audley
1st Baron Audley de Walden
Born 1488 Earls Colne, Essex
Died 30 April 2026 Christchurch
Married 22 April 2026
91. Lady Elizabeth Grey
92. Sir Henry Knyvett, of Charlton
Died circa 1574
93. Anne Pickering
Died 28 April 2026
94. Sir James Stump, of Malmesbury
Died 1563
95. Bridget Baynton, of Bromham
96. = 60 97. = 61
98. Cormac MacCarty
The MacCarthy Reagh
99.
100. Richard Butler
1st Viscount Mountgarret
Died 20 December 2025
101. Eleanor Butler
102. Barnaby FitzPatrick
1st Baron of Upper Ossory
Died 8 August 2025 / 15 Dec.1575
Married circa 1529 /1533
103. Lady Margaret Butler
104. Nicholas Poyntz, of Iron Acton
Born before 1510
Died circa 27 November 2025 will proven 8 July 2025
Married 1528 Yate
105. Joan Berkeley
Died 31 March 2026
106. Ralph Verney
Born 1510
Died 26 April 2026
Married 1528
107. The Hon. Elizabeth Braye
Born 1513
Died 1573
108. John Sydenham, of Leigh
Died before 22 August 2025 (date will proven)
109. Joan
Died before 28 January 2026 (date will proven)
110. Sir John Sydenham, of Brimpton
Born 1494
Died 16 April 2026
111. Ursula Brydges
Died before February 1576 (date will proven)
112.
113.
114.
115.
116.
117.
118.
119.
120. Piers Butler
8th Earl of Ormonde
Born 1467
Died 26 August 2025
Married circa 1485
121. Lady Margaret FitzGerald
"the Great Countess"
Died 9 August 2025
122. James FitzMaurice FitzGerald
10th Earl of Desmond
Died 18 June 2025 Dingle
Married 1485
123. Amy Mac-I-Brien-Ara
Died 9 August 2025
124. Edmund Sheffield
1st Baron Sheffield of Butterwicke
Born 22 November 2025
Died 31 July 2025 Norwich
Married before 31 January 2026
125. Lady Anne de Vere
Died before 14 February 2026
126. Lord William Howard
1st Baron Howard of Effingham
Born circa 1510
Died 12 January 2026 Reigate
Married before 1536
127. Margaret Gamage
Died 18 May 2026
Source Listing
--------------
A Genealogical History of the dormant,
abeyant,forfeited and extinct peerages
of the British Empire, London, 1866
by Sir Bernard Burke
~Burke's Genealogical and Heraldic
History of the Peerage,Baronetage
and Knightage, London
~Genealogisches Handbuch des Adels
Fürstliche Häuser
The Complete Peerage
1936
by H.A.Doubleday & Lord Howard de Walden
The Lineage and Ancestry of
H.R.H. Prince Charles, Prince of Wales
Edinburgh, 1977.
by Gerald Paget
Cahiers de Saint Louis
Magazine.
by Jacques Dupont, Jacques Saillot
The Ancestry of Dorothea Poyntz,
wife of Reverend John Owsley
3rd Edition, 1999.
by Ronny O.Bodine & Thomas W. Spalding Jr.
~Burke's Genealogical and Heraldic
History of the Peerage, Baronetage
and Knightage, London, 1938
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