(Notes: You may have to scroll down or right to see chart.)
| BERTRAM |
| BERTRAM | |
| B: | 1915 |
| D: | Yes, date unknown |
| Herman John BERTRAM |
| Herman John BERTRAM | |
| B: | 22 May 1920 |
| Herman, Grant, Minnesota | |
| D: | 7 Jun 1985 |
| Herman, Grant, Minnesota | |
| Garhart Harry BERTRAM |
| Garhart Harry BERTRAM | |
| B: | 5 Mar 1925 |
| Herman, Grant, Minnesota | |
| D: | 5 Jul 1987 |
| Hewett, Minnesota | |
| Ervin Roy BERTRAM |
| Ervin Roy BERTRAM | |
| B: | 4 Feb 1935 |
| Herman, Grant, Minnesota | |
| D: | 8 Jul 1997 |
| Herman, Grant, Minnesota | |
|
| Herman Ommen BERTRAM |
| Herman Ommen BERTRAM | |
| B: | 17 May 1891 |
| Melvin, Illinois | |
| D: | 2 Jun 1972 |
| Herman, Grant, Minnesota | |
| Trintje Friederike BARTELL |
| Trintje Friederike BARTELL | |
| B: | 19 Sep 1895 |
| Pomeroy, Iowa | |
| D: | 19 Oct 1983 |
| Morris, Minnesota | |