| Source: St. Louis, History of the Fourth City, 1763-1909, volume III (St. Louis: S.J. Clarke Publishing Co., 1909) Location: Reading Room / St.L. / 9 / St4 | |
 | |
| Last Name: | Koenig |
| First Name: | Frederick |
| Birth Date: | 1837 |
| Death Date: | 1907 January 24 |
| Remarks: | Mentioned in a biographical sketch |
| Volume: | 3 |
| Page: | 672, 674 |
