(Notes: You may have to scroll down or right to see chart.)
| Julius E. Koch |
| Julius E. Koch | |
| B: | May 1903 |
| Conestogo, Ontario, Ca. | |
| D: | 26 Nov 1976 |
| Kitchener, Ontario, Ca. | |
| Margaret R. Koch Dahmer |
| Margaret R. Koch Dahmer | |
| B: | 11 Nov 1904 |
| Conestogo, Ontario, Ca. | |
| D: | 10 Oct 1998 |
| Kitchener, Ontario, Ca. | |
| Edward Henry Koch |
| Edward Henry Koch | |
| B: | Sep 1907 |
| Conestogo, Ontario, Ca. | |
| D: | 16 Nov 1980 |
| Elmira, Ontario, Ca. | |
| Rosetta Simpson Koch |
| Rosetta Simpson Koch | |
| B: | 5 Jul 1876 |
| Philipsburg, Ontario, Ca. | |
| D: | 29 Jan 1923 |
| Conestogo, Ontario, Ca. | |
| Otto Koch |
| Otto Koch | |
| B: | 6 Apr 1872 |
| Conestogo, Ontario, Ca. | |
| D: | 13 Sep 1939 |
| Kitchener, Ontario, Ca. | |