Wilhelm married Maria Anna Prinz on 23 Jan 1862 in Ruppertsberg, Pfalz, Bayern. Maria (daughter of Heinrich Prinz and Maria Anna Zimmermann) was born on 27 Feb 1834 in Ruppertsberg, Pfalz, Bayern; died on 5 Oct 1877 in Ruppertsberg, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Anna Barbara Day was born on 24 Mar 1870 in Ruppertsberg, Pfalz, Bayern; died on 11 Aug 1937 in Pilot Grove, Cooper County, Missouri, USA; was buried on 13 Aug 1937 in St. Martin's Cemetery, Pilot Grove Township, Cooper County, Missouri, USA.