| 1. William Drogo Sturges Montagu
(Guinness , Aitken ) 1908 - 1940 | 2. George Charles Montagu
(Sturges ) | 4. Victor Alexander Montagu
(Yorke ) 1842 - post 1891 | 8. John William Montagu
(Paget , Egerton ) 1811 - post 1881 | 16. George John Montagu
(Lowry-Corry ) 1773 - 1818 | 32. John Montagu
(Montagu , Paulet ) 1743 - 1814 |
| 33. Mary Henrietta Paulet
(Montagu ) 1753 - 1779 |
| 17. Louisa Mary Anne Juliet Harriet Lowry-Corry
(Montagu ) 1781 - 1862 | 34. Armar Lowry-Corry
(Butler , Hobart , Caldwell ) 1740 - 1802 |
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| 9. Mary Paget
(Montagu ) 1812 - 1859 | 18. Henry William Bayley Peter Walter Paget
(Villiers , Cadogan ) 1768 - 1854 | 36. Henry Paget formerly Bayly
(Champagne ) 1744 - 1812 |
| 37. Jane Champagne
(Paget ) 1742 - 1817 |
| 19. Charlotte Cadogan
(Wellesley , Paget ) 1781 - 1853 | 38. Charles Sloane Cadogan
(Bromley , Churchill ) 1728 - 1807 |
| 39. Mary Churchill
(Cadogan ) 1758 - post 1796 |
| 5. Agneta Harriet Yorke
(Montagu ) 1838 - post 1891 | 10. Charles Philip Yorke
(Liddell ) 1799 - 1873 | 20. Sir Joseph Sydney Yorke
(Rattray , Paulet ) 1768 - 1831 | 40. Charles Yorke
(Freeman , Johnston ) 1722 - 1770 |
| 41. Agneta Johnston
(Yorke ) 1740 - 1820 |
| 21. Elizabeth W(h)eake Rattray
(Yorke ) 1733 - 1812 | 42. |
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| 11. Susan Liddell
(Yorke ) 1810 - post 1847 | 22. Thomas Henry Liddell
(Simpson ) 1775 - 1855 | 44. Sir Henry George Liddell
(Steel ) 1749 - 1791 |
| 45. Elizabeth Steel
(Liddell ) + 1811 |
| 23. Maria Susannah Simpson
(Liddell ) | 46. |
| 47. |
| 3. Alberta Sturges
(Montagu ) 1877 - 1951 | 6. |
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| 7. |
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