| Children |
| + | 1. Berhardt Opfer, b. Abt 1848, Canada  |
| + | 2. Peter Opper, b. 22 Jul 1851, Floradale, Waterloo County, Ontario , d. 13 Apr 1926, KW Hospital, Kitchener, Waterloo County, Ontario (Age 74 years) |
| + | 3. Mary Opper, b. Abt 1856, Canada , d. 6 Jul 1889, Wallace Township, Perth County, Ontario (Age ~ 33 years) |
|
