Johannes married Christina Gröninger on 4 Dec 1851 in Harrison County, Indiana, USA. Christina (daughter of Matthias F. Gröninger Granninger and Christina Köhler) was born on 26 Dec 1834 in Vorderweidenthal, Pfalz, Bayern; died on 23 May 1901 in Harrison County, Indiana, USA. [Group Sheet] [Family Chart]

1. Philip Kost was born on 14 Oct 1852 in Central Barren, Morgan Township, Harrison County, Indiana, USA; died on 5 Mar 1939 in New Albany, Floyd County, Indiana, USA.
2. Anna Maria Eva Kost was born on 27 Sep 1855 in Harrison County, Indiana, USA; died on 3 Feb 1858 in Harrison County, Indiana, USA.
3. Eva Maria Kost was born on 14 Mar 1858 in Harrison County, Indiana, USA; died on 1 Aug 1932 in New Salisbury, Harrison County, Indiana, USA.
4. George Kost was born on 29 Aug 1860 in Indiana, USA; died on 4 Feb 1903 in Harrison County, Indiana, USA; was buried in Central Barren Cemetery, Central Barren, Morgan Township, Harrison County, Indiana, USA.
5. Christina Kost was born on 9 May 1863 in Indiana, USA; died on 18 Jul 1939 in New Albany, Floyd County, Indiana, USA.
6. Sara Carolina Kost was born on 31 Aug 1865 in Indiana, USA.
7. Eva Louisa Kost was born on 9 Feb 1867 in Harrison County, Indiana, USA.
8. Elisabeth Barbara Kost was born on 7 Apr 1870 in Harrison County, Indiana, USA.
9. Margaretha Katharina Kost was born on 15 Feb 1873 in Harrison County, Indiana, USA.
10. William Howard Kost was born on 23 Feb 1876 in Harrison County, Indiana, USA.