Blasius married Marie Adeline "Annie" Halbardier on 03 Mar 1858 in Castroville, Medina, Texas, USA. Marie (daughter of Jean Baptiste Halbardier and Marie Anne Choisy) was born on 24 Nov 1837 in Nancy, France; died on 11 Oct 1866 in Castroville, Medina, Texas, USA. [Group Sheet] [Family Chart]

1. Louis Kieffer was born on 01 May 1859 in Castroville, Medina, Texas, USA; died in 1928.
2. Joseph Kieffer was born on 17 Jun 1860 in Castroville, Medina, Texas, USA; died on 29 Jun 1915.
3. George Kieffer was born on 10 Jul 1861 in Castroville, Medina, Texas, USA; died in Sep 1939.
4. August Herbert Kieffer was born on 12 Aug 1862 in Castroville, Medina, Texas, USA; died on 20 May 1919 in Bexar, Texas, USA.
5. Odilia Kieffer was born on 17 Nov 1863 in Castroville, Medina, Texas, USA; died in 1918.
6. Adeline Barbara Kieffer was born on 11 Mar 1866 in Castroville, Medina, Texas, USA; died on 26 Jul 1944 in Los Angeles, California, USA.

Blasius married Louisa Schnitter Schuehle on 8 Mar 1870 in Castroville, Medina, Texas, United States. Louisa was born on 21 Feb 1849 in Berwangen, Baden, Grmn, Germany; died on 15 Aug 1937 in San Antonio, Bexar, Texas, United States. [Group Sheet] [Family Chart]

Blaise married Marie Anne Fritsch. Marie was born on 2 Sep 1791 in Reichshoffen, Bas-Rhin, Alsace, France. [Group Sheet] [Family Chart]