Hon Madeleine Emily Augusta Hanbury-Tracy
- 1938
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 | Gerald Maurice Ponsonby 1876-1914 |
| Gerald Maurice Ponsonby | |
| B: | 1876 |
| D: | 1914 |
| Captain Gerald John (6th Baron de Mauley of Canford) Ponsonby | |
| B: | 19 Dec 1921 |
| D: | 17 Oct 2002 |
| Helen Alice Douglas 1921-2009 |
| Helen Alice Douglas | |
| B: | 7 Oct 1921 |
| M: | 16 Nov 1954 |
| D: | 4 Jun 2009 |
| Robert Walter Sigismund (2nd Baron Grimston of Westbury) Grimston 1925-Yes, date unknown |
| Robert Walter Sigismund (2nd Baron Grimston of Westbury) Grimston | |
| B: | 1925 |
| D: | Yes, date unknown |
| Hon (Elizabeth) Winifred Ponsonby 1928-1982 |
| Hon (Elizabeth) Winifred Ponsonby | |
| B: | 1928 |
| D: | 1982 |
| Hubert William (5th Baron de Mauley of Canford) Ponsonby | |
| B: | 21 Jul 1878 |
| D: | 13 Sep 1962 |
| Elgiva Margaret Dundas 1897-1987 |
| Elgiva Margaret Dundas | |
| B: | 9 Nov 1897 |
| M: | 11 Oct 1920 |
| D: | 1987 |
| Hon Madeleine Emily Augusta Hanbury-Tracy | |
| D: | 1938 |
| Maurice John George (4th Baron de Mauley) Ponsonby | |
| B: | 1846 |
| M: | 1875 |
| D: | 1945 |