Wilhelm married Theresia Grasmück on 4 May 1828 in Siebeldingen, Pfalz, Bayern. Theresia (daughter of Johannes Peter Grasmück and Maria Philippina Stoffel) was born on 7 Jun 1807 in Birkweiler, Pfalz; was christened on 9 Jun 1807 in Siebeldingen, Pfalz. [Group Sheet] [Family Chart]