Children |
| 1. Margaretha FIRMENICH, b. 6 Jun 1833, Eicks, Nordrhein-Westfalen, Germany |
| 2. Wernerus FIRMENICH, b. 16 Mar 1835, Eicks, Nordrhein-Westfalen, Germany |
| 3. Anna Barbara FIRMENICH, b. 1 Jan 1837, Eicks, Nordrhein-Westfalen, Germany |
| 4. Johann Bernard FIRMENICH, b. 2 Oct 1839, Eicks, Nordrhein-Westfalen, Germany |
| 5. Mathias Balthazar FIRMENICH, b. 12 Feb 1842, Eicks, Nordrhein-Westfalen, Germany |
| 6. Elisabeth Maria FIRMENICH, b. 31 Oct 1844, Eicks, Schleiden, Rhein, Prussia, Germany |
| 7. Charles FIRMENICH, b. 26 Oct 1848, Wisconsin, United States |
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