| PERSON | PARENTS | GRANDPARENTS | GREAT-GRANDPARENTS | GREAT-GREAT-GRANDPARENTS |
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| | | | 4 William Henry Mailler (January 1861 - ) | | |
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| | | 2 John Preston Mailler (25 September 1890 - ca. September 1960) | | | |
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| | | | | | | 10 John Preston ( - ) | |
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| | | | | 5 Sophia Jane Preston (August 1864 - 10 January 1941) | | |
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| | | | | | 11 Agnes _____ ( - ) | |
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| 1 Helen Jane Mailler (9 March 1916 - 6 May 1996) | | | | | | | | |
| | | | | | | 24 David McGregor (ca. 1812 - 15 July 1898) | > |
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| | | | | | 12 William McGregor (28 December 1835 - 13 January 1933) | |
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| | | | | | | | 25 Janet Sinclair (ca. 1809 - 11 May 1887) |
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| | | | | 6 David McGregor (7 September 1864 - 12 February 1944) | | |
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| | | | | | | | | 26 William Brown ( - ) |
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| | | | | | | 13 Margaret Brown (29 December 1837 - 19 January 1903) | |
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| | | | | | | | 27 Jean Semple ( - ) |
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| | | 3 Margaret Brown ‘Reta’ McGregor (16 February 1893 - ca. May 1975) | | | |
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| | | | | | | 28 John Paterson (ca. 1803 - ) |
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| | | | | | 14 George Patterson (29 August 1841 - after 1915) | |
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| | | | | | | | 29 Grace McEwan (ca. 1802 - ) |
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| | | | 7 Nellie Birrell Patterson (16 March 1868 - 8 September 1950) | | |
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| | | | | | | 30 John Philp (ca. 1799 - ) |
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| | | | | 15 Euphemia Philp (29 September 1841 - 31 March 1910) | |
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| | | | | | 31 Helen ‘Nelly’ Birrell (4 March 1801 - ) | > |
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Ancestors of Helen Jane Mailler