Sir Harold Hugh Christian Boulton 1918–1996 Patricia Mary Constable-Maxwell-Scott 1921–1998 | | |
Duncan Davidson Boulton 1924–1944 | | |
| | Sir Denis Duncan Harold Owen Boulton 1892–1968 | | | | Sir Harold Edwin Boulton 1859–1935 Adelaide Lucy Davidson 1864–1926 | | | | Duncan Henry Caithness Reay Davidson 1836–1889 Georgina Elizabeth Mackenzie 1842–1926 | | | | Duncan Davidson 1800–1881 Elizabeth Diana Bosville Macdonald 1804–1839 | | | | Sir Godfrey Bosville Macdonald 3rd Baron Macdonald of Slate 1775–1832 Louisa Maria la Coast 1782–1835 | | |
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