William married Evelyn Heinz 19 Jun 1937, St. Charles, Kane, Illinois, USA. Evelyn (daughter of Otto Wilhelm Heinz and Elizabeth "Betty" Koeuneker) was born 6 Mar 1911, St. Charles, Kane, Illinois, USA; died 6 May 2018, Naperville, DuPage, Illinois, USA; was buried , Naperville Cemetery, Naperville, DuPage, Illinois, USA. [Group Sheet]