| Bertha Louise Ross |
| Bertha Louise Ross | |
| B: | 6 Feb 1873 |
| Berlin, Germany | |
| D: | 20 Jan 1944 |
| Michigan | |
| Alexander Ruthven |
| Alexander Ruthven | |
| B: | 1851 |
| M: | 1892 |
| D: | 1905 |
| Karl Charles Gerber |
| Karl Charles Gerber | |
| B: | 13 Apr 1859 |
| Schangnau, Bern, Switzerland | |
| M: | 1907 |
| D: | 19 Feb 1941 |
| Michigan | |