Jakob married Katharina Helfer on 14 Nov 1891 in Vorderweidenthal, Pfalz, Bayern. Katharina (daughter of Thomas Helfer and Katharina Stoffel) was born on 6 Dec 1864 in Vorderweidenthal, Pfalz, Bayern; was christened on 6 Dec 1864 in Vorderweidenthal, Pfalz, Bayern. [Group Sheet] [Family Chart]