Ludwig married Elisabetha Hoffmann on 8 Jan 1849 in Indiana, USA. Elisabetha (daughter of Johannes Hoffmann and Apollonia Schnetzer) was born on 4 Jul 1827 in Silz, Pfalz, Bayern; was christened on 5 Jul 1827 in Silz, Pfalz, Bayern; died on 18 Apr 1915 in Celestine, Hall Township, Dubois County, Indiana, USA. [Group Sheet] [Family Chart]

1. Jacob H. Seng was born on 4 Nov 1849 in Marion, Dubois County, Indiana, USA; died on 9 Jun 1922 in Evansville, Vanderburgh County, Indiana, USA.
2. George L. Seng was born on 1 Jan 1851 in Celestine, Dubois County, Indiana, USA; died on 24 Apr 1909 in Jasper, Dubois County, Indiana, USA.
3. Louis Seng was born on 3 Oct 1855 in Marion, Dubois County, Indiana, USA; died on 3 Dec 1902 in Jasper, Dubois County, Indiana, USA.
4. Ignatz Andrew Seng was born on 31 Mar 1857 in Marion, Dubois County, Indiana, USA; died on 10 Jul 1906 in Evansville, Vanderburgh County, Indiana, USA.
5. Mary Apollonia Seng was born on 31 Mar 1859 in Marion, Dubois County, Indiana, USA; died in in Wabasha, Wabasha County, Minnesota, USA.
6. John J. Seng was born on 3 Apr 1861 in Marion, Dubois County, Indiana, USA; died on 3 Feb 1937 in Dubois County, Indiana, USA.
7. Cecilia Seng was born on 15 May 1863 in Marion, Dubois County, Indiana, USA; died in in California, USA.
8. Mary Frances Seng was born on 3 May 1865 in Marion, Dubois County, Indiana, USA; died on 10 May 1891 in Indiana, USA.
9. Elizabeth Franzisca Seng was born on 18 Mar 1867 in Marion, Dubois County, Indiana, USA; died in in Indiana, USA.
10. Mary Magdalena Seng was born on 16 Oct 1876 in Celestine, Dubois County, Indiana, USA; died in in Indiana, USA.