1920-1970
| Merl M. Ingersoll | |
| B: | 10 Nov 1920 |
| Saginaw, Saginaw, Michigan, USA | |
| D: | Aug 1970 |
| Clarkston, Oakland, Michigan, USA | |
|
1880-1974
| Robert Guy Ingersoll | |
| B: | 30 Mar 1880 |
| Evart, Osceola, Michigan, USA | |
| D: | 14 Feb 1974 |
| Reed City, Osceola, Michigan, USA | |
Abt 1890-1933
| Delia J. Van Zant | |
| B: | Abt 1890 |
| , , Michigan, USA | |
| D: | Nov 1933 |