| Emma Marquardt |
| Emma Marquardt | |
| B: | Abt 1876 |
| , , Ohio, USA | |
| D: | Yes, date unknown |
| Edwin Marquardt |
| Edwin Marquardt | |
| B: | Abt 1877 |
| , , Ohio, USA | |
| D: | Yes, date unknown |
| Frederick Marquardt |
| Frederick Marquardt | |
| B: | Abt Nov 1879 |
| , , Ohio, USA | |
| D: | Yes, date unknown |
| Maria L. |
| Maria L. | |
| B: | Abt 1851 |
| , , Ohio, USA | |
| D: | Yes, date unknown |
| Charles F. W. Marquardt |
| Charles F. W. Marquardt | |
| B: | Abt 1853 |
| D: | Yes, date unknown |