| Children |
| | 1. Albert J M FIRMENICH, b. 29 Mar 1868, Wrightstown, Brown, Wisconsin, United States , d. 1938 |
| | 2. Mary F FIRMENICH, b. 19 Jan 1870, Wrightstown, Brown, Wisconsin, United States , d. 25 Jun 1913 |
| | 3. Henry William FIRMENICH, b. 14 Aug 1871, Wrightstown, Brown, Wisconsin, United States , d. Aft 1941 |
| > | 4. Emma Jane FIRMENICH, b. 23 Jun 1873, Wrightstown, Brown, Wisconsin, United States , d. 28 Apr 1941, Ashland, Ashland, Wisconsin, United States  |
| | 5. Frank Charles FIRMENICH, b. 23 May 1875, Wrightstown, Brown, Wisconsin, United States , d. 28 Apr 1941 |
| | 6. Anna P FIRMENICH, b. 13 Jun 1877, Wrightstown, Brown, Wisconsin, United States , d. 1885 |
| | 7. Hattie Bertha FIRMENICH, b. 14 Jul 1879, Wausau, Marathon, Wisconsin, United States , d. 2 Sep 1885 |
| | 8. Edmond F FIRMENICH, b. 4 Dec 1880, Brighton, Marathon Co., Wisconsin , d. 4 Sep 1885 |
| | 9. Sarah E FIRMENICH, b. 9 Dec 1882, Brighton, Marathon Co., Wisconsin , d. 4 Sep 1885 |
| | 10. Rose C FIRMENICH, b. 20 Sep 1885, Ashland, Ashland, Wisconsin, United States , d. 21 Jan 1978 |
| | 11. Ida V FIRMENICH, b. 26 Oct 1887, Ashland, Ashland, Wisconsin, United States , d. 31 Oct 1952, Ashland, Ashland, Wisconsin, United States  |
| | 12. Clara Etta FIRMENICH, b. 12 Dec 1889, Ashland, Ashland, Wisconsin, United States , d. 10 Feb 1981, Milwaukee, Milwaukee, Wisconsin, United States  |
| | 13. Edna Gertrude FIRMENICH, b. 2 Jul 1892, Ashland, Ashland, Wisconsin, United States , d. 8 Aug 1971, Grand Coulee, Grant, Washington, United States  |
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