Wilhelm married Bertha Johanne Wilhelmine Heinz 20 Nov 1880, Stettin, Pomern. Bertha (daughter of Heinrich Friedrich "Henry" Heinz and Augusta Burow) was born 23 Nov 1859, Peest, Schlawe, Pommern; died 10 Sep 1927, St. Charles, Kane, Illinois, USA; was buried 13 Sep 1927, Concordia Cemetery, Forest Park, Cook, Illinois, USA. [Group Sheet]

1. Anna Wilhelmine Johanna Schmidt was born 12 Aug 1881, Stettin, Pomern.
2. Ida A. Schmidt was born Aug 1882, Illinois, USA.
3. Herman John "Henry" Schmidt was born 12 Aug 1884, Chicago, Cook, Illinois, USA; died 26 Dec 1951, Aurora, Kane, Illinois, USA.
4. William Edward Schmidt was born 30 May 1888, Chicago, Cook, Illinois, USA; died 1954; was buried , Union Cemetery, St. Charles, Kane, Illinois, USA.
5. Clara Bertha Schmidt was born 25 Jun 1890, Chicago, Cook, Illinois, USA.