PERSON | PARENTS | GRANDPARENTS | GREAT-GRANDPARENTS | GREAT-GREAT-GRANDPARENTS |
| | | | | | | | | |
| | 2 Nicholas Arnold Knapp (19 February 1937 - ) | | | |
| |
1 Paul Mailler Knapp (16 May 1969 - ) | | | | | | | | |
| | | | | | 24 William Henry Mailler (January 1861 - ) |
| | | |
| | | | | 12 John Preston Mailler (25 September 1890 - ca. September 1960) | |
| | | |
| | | | | | | 25 Sophia Jane Preston (August 1864 - 10 January 1941) | > |
| | | | | |
| | | | 6 John Preston ‘Jack’ Mailler, Jr. (5 June 1918 - 27 June 1994) | | |
| | | |
| | | | | | | | 26 David McGregor (7 September 1864 - 12 February 1944) | > |
| | | | | | | |
| | | | | | 13 Margaret Brown ‘Reta’ McGregor (16 February 1893 - ca. May 1975) | |
| | | | | |
| | | | | | | 27 Nellie Birrell Patterson (16 March 1868 - 8 September 1950) | > |
| | | | | |
| | 3 Barbara Lee ‘Bobby’ Mailler (11 February 1943 - 6 October 2020) | | | |
| |
| | | | | 14 Arthur Dashiell DeGroff (17 April 1885 - 3 February 1927) | |
| | | |
| | | 7 Mary DeGroff (4 January 1918 - ) | | |
| |
| | | | 15 Helene Tonkin (25 September 1885 - ) | |
| |