Ancestors of Lord Frederick Cavendish
16. William Cavendish, 4th Duke of Devonshire
8. George Cavendish, 1st Earl of Burlington
17. Charlotte Boyle, 6th Baroness Clifford
4. William Cavendish
18. Charles Compton, 7th Earl of Northampton
9. Elizabeth Compton
19. Ann Somerset
2. William Cavendish, 7th Duke of Devonshire
20. Thomas O'Callaghan
10. Cornelius O'Callaghan, 1st Baron Lismore
21. Sarah Davis
5. Louisa O'Callaghan
22. John Ponsonby
11. Frances Ponsonby
23. Elizabeth Cavendish
1. Frederick Cavendish
24. Henry Howard, 4th Earl of Carlisle
12. Frederick Howard, 5th Earl of Carlisle
25. Isabella Byron
6. George Howard, 6th Earl of Carlisle
26. Granville Leveson-Gower, 1st Marquess of Stafford
13. Margaret Caroline Leveson-Gower
27. Louisa Egerton
3. Blanche Georgiana Howard
28. William Cavendish, 4th Duke of Devonshire (= 16)
14. William Cavendish, 5th Duke of Devonshire
29. Charlotte Boyle, 6th Baroness Clifford (= 17)
7. Georgiana Cavendish
30. John Spencer, 1st Earl Spencer
15. Georgiana Spencer
31. Margaret Georgiana Poyntz