| Source: History of St. Louis County, Missouri, volume II / by William L. Thomas (St. Louis, Chicago, Philadelphia: S.J. Clarke Publishing Co., 1911) Location: Reading Room / MO / 9.10 / Sa2L | |
 | |
| Last Name: | Grueninger |
| First Name: | Helena |
| Maiden Name: | Michel |
| Building Illustration: | No |
| Birth Date: | 1853 August 30 |
| Page: | 385-386 |
| Remarks: | mentioned in a biographical sketch |
