Thecla married Johannes Michael Kieffer on 29 Dec 1870 in Wingen, Bas-Rhin, Alsace, France. Johannes (son of Johannes Michael Kieffer and Anna Maria Richter) was born on 25 Aug 1840 in Wingen, Bas-Rhin, Alsace, France. [Group Sheet] [Family Chart]

1. Maria Kieffer was born on 1 May 1879 in Wingen, Bas-Rhin, Alsace, France; died on 27 Aug 1951 in Brumath, Bas-Rhin, Alsace, France.
2. Georg Kieffer was born on 8 Apr 1884 in Wingen, Bas-Rhin, Alsace, France; died on 14 Feb 1973 in Dieffenbach-lès-Wœrth, Bas-Rhin, Alsace, France.