| 1. William Ernest Heffron |
 |
| B: |
Abt 1936 |
| P: |
Kitchener, Waterloo County, Ontario, Canada |
| D: |
16 Jan 1937 |
| P: |
Waterloo County, Ontario, Canada |
|
| 2. Ernest Clark Heffron |
|
| B: |
30 Sep 1886 |
| P: |
Fallbrook, Bathurst Twp, Lanark County, Ontario, Canada |
| M: |
29 Sep 1928 |
| P: |
Waterloo County, Ontario, Canada |
| D: |
1966 |
| P: |
Kitchener, Waterloo County, Ontario, Canada |
|
| 4. William Francis Heffron |
|
| B: |
1863 |
| P: |
Fallbrook, Bathurst Twp, Lanark County, Ontario, Canada |
| M: |
16 Sep 1885 |
| P: |
Frankville, Kitley Twp, Leeds County, Ontario, Canada |
| D: |
Jan 1956 |
| P: |
Kitchener, Waterloo County, Ontario, Canada |
|
| 8. John Heffron |
|
| B: |
1817 |
| P: |
Ireland |
| M: |
|
| P: |
|
| D: |
Yes, date unknown |
| P: |
|
|
| 5. Martha Clark |
|
| B: |
12 Oct 1862 |
| P: |
Frankville, Leeds County, Ontario, Canada |
| D: |
21 Jul 1925 |
| P: |
Waterloo County, Ontario, Canada |
|
| 10. James Clark |
=> |
|
| B: |
25 Dec 1824 |
| P: |
Coleraine, County Londonderry, Northern Ireland |
| M: |
4 May 1846 |
| P: |
Dunboe Parish, Coleraine Barony, County Londonderry, Ireland |
| D: |
15 Jan 1872 |
| P: |
Leeds County, Ontario, Canada |
|
Abt 1936 - 1937 (~ 1 years)
