1881 - 1968 (86 years)
 | Jean Gertrude Howarth 1910- |
| Jean Gertrude Howarth | |
| B: | 19 Jun 1910 |
| Toronto, Ontario | |
| Robert Muir Howarth 1912- |
| Robert Muir Howarth | |
| B: | 28 Jul 1912 |
| Mary Howarth 1915-1979 |
| Mary Howarth | |
| B: | 1915 |
| D: | 1979 |
| William Howarth 1881-1968 |
| William Howarth | |
| B: | 25 Dec 1881 |
| D: | 1968 |
| Gertrude Muir 1884- |
| Gertrude Muir | |
| B: | 30 Jun 1884 |
| Newmarket, Ontario | |
| M: | 29 Dec 1906 |
