John Knox Heffron 1935–1993 | | |
William John L Hamilton 1937–… | | |
| | William Heffron 1901–1955 | | | | John George Irving Knox 1875–1955 | | | | Nicholas Ward Swinney 1849–1919 Jane Atkinson Fairley 1850–1930 | | | | | | | | Nicholas Swinney 1800–1860 Margaret Ann Moore 1797–1860 | | |
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| | | | | | | | Margaret Chicken 1790–1872 | | |
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