Johannes married Maria Eva Breiner on 31 Jan 1865 in Birkenhördt, Pfalz, Bayern. Maria (daughter of Johannes Jakob Breiner and Katharina Ehrhardt) was born on 20 Mar 1838 in Birkenhördt, Pfalz, Bayern; was christened on 22 Mar 1838 in Birkenhördt, Pfalz, Bayern; died in in Bergzabern, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Margaretha Frohnhäuser was born on 23 Nov 1866 in Bergzabern, Pfalz, Bayern; was christened on 26 Nov 1866 in Bergzabern, Pfalz, Bayern; died on 28 May 1943 in Saargemünd, Département Moselle, France.
2. Georg Frohnhäuser was born on 28 Dec 1868 in Bergzabern, Pfalz, Bayern; was christened on 31 Dec 1868 in Bergzabern, Pfalz, Bayern; died on 10 Mar 1925 in Bergzabern, Pfalz, Bayern.
3. Carl Johann Frohnhäuser was born on 16 Jun 1871 in Bergzabern, Pfalz, Bayern; was christened on 19 Jun 1871 in Bergzabern, Pfalz, Bayern.
4. Friedrich Frohnhäuser was born on 5 Mar 1873 in Bergzabern, Pfalz, Bayern; was christened on 5 Mar 1873 in Bergzabern, Pfalz, Bayern; died on 31 Mar 1874 in Bergzabern, Pfalz, Bayern.
5. Maria Eva Frohnhäuser was born on 3 Sep 1875 in Bergzabern, Pfalz, Bayern; was christened on 10 Sep 1875 in Bergzabern, Pfalz, Bayern; died on 18 May 1949 in Hamburg-Stellingen.
6. Elisabeth Frohnhäuser was born on 12 Sep 1877 in Bergzabern, Pfalz, Bayern; died on 29 May 1910 in Bergzabern, Pfalz, Bayern.
7. August Frohnhäuser was born on 9 May 1880 in Bergzabern, Pfalz, Bayern; died on 3 Jul 1901 in Bergzabern, Pfalz, Bayern.

Johannes married Barbara Meister. Barbara died in in Bergzabern, Pfalz, Bayern. [Group Sheet] [Family Chart]