Louisa O'Callaghan
Unknown - 1863(Notes: You may have to scroll down or right to see chart.)
| Spencer Compton Cavendish, 8th. Duke of Devonshire. KG. GCVO. PC. | |
| B: | 23 Jul 1833 |
| D: | 24 Mar 1908 |
| Cannes, France | |
| Louise Frederica Augusta von Alten 1832-1911 |
| Louise Frederica Augusta von Alten | |
| B: | 15 Jun 1832 |
| Hanover, Germany | |
| D: | 15 Jul 1911 |
| Esher Place, Esher, Surrey, England | |
| Victor Christian William Cavendish, 9th. Duke of Devonshire. KG. PC. GCVO. FRS. JP. | |
| B: | 31 May 1868 |
| Marylebone, Middlesex, England | |
| D: | 6 May 1938 |
| Chatsworth House, Derbyshire, England | |
| Lady Evelyn Emily Mary Fitzmaurice 1870-1960 |
| Lady Evelyn Emily Mary Fitzmaurice | |
| B: | 27 Aug 1870 |
| Calne District, Wiltshire, England | |
| D: | 2 Apr 1960 |
| London, England | |
Lt. Col. Edward Cavendish 1838-1891 |
| Lt. Col. Edward Cavendish | |
| B: | 28 Jan 1838 |
| Marylebone, Middlesex, England | |
| D: | 18 May 1891 |
| Marylebone, Middlesex, England | |
| Emma Lascelles Unknown-Aft 1875 |
| Emma Lascelles | |
| B: | Unknown |
| D: | Aft 1875 |
| William Cavendish, 7th. Duke of Devonshire. KG. PC. | |
| B: | 27 Apr 1808 |
| D: | 21 Dec 1891 |
| Ulverston District, Lancashire, England | |
| Lady Blanche Georgiana Howard 1812-1840 |
| Lady Blanche Georgiana Howard | |
| B: | 11 Jan 1812 |
| D: | 27 Apr 1840 |
| Wandsworth District, Surrey, England | |
| Louisa O'Callaghan Unknown-1863 |
| Louisa O'Callaghan | |
| B: | Unknown |
| D: | 1863 |
| William Cavendish 1783-1812 |
| William Cavendish | |
| B: | 10 Jan 1783 |
| D: | 15 Jan 1812 |