Charles married Elsie Nagel 12 Jan 1907, St. Charles, Kane, Illinois, USA. Elsie (daughter of Edward G. Nagel and Mathilda Lily Heinz) was born 7 Oct 1888, Chicago, Cook, Illinois, USA; died 29 Aug 1981, South Elgin, Kane, Illinois, USA; was buried , Union Cemetery, St. Charles, Kane, Illinois, USA. [Group Sheet]

1. Walter George Dau was born 19 Dec 1907, St. Charles, Kane, Illinois, USA; died 26 Dec 1933, St. Charles, Kane, Illinois, USA.
2. Edna Ruth Dau was born 2 Nov 1910, St. Charles, Kane, Illinois, USA; died 24 Jul 1981, Batavia, Kane, Illinois, USA; was buried , Union Cemetery, St. Charles, Kane, Illinois, USA.