| | Derek Henry Parker-Bowles …– | | |
| | Eustace Parker-Bowles 1884–… Wilma Mary Garnault Bowles …–1928 | | |
| | Algernon Robert Parker-Bowles 1849–1940 | | | | | Thomas Augustus Wolstenholme Parker-Bowles 1811–1896 Mary Frances Grosvenor …–1912 | | | | Richard Grosvenor 1795–1869 Elizabeth Sutherland-Leveson-Gower 1797–1891 |
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