Johannes married Anna Maria Nieb in 1859 in Malaga Township, Monroe County, Ohio, USA. Anna (daughter of Johannes Jakob Nieb and Anna Elisabetha Reeb) was born on 7 Apr 1835 in Wilgartswiesen, Pfalz, Bayern; was christened on 12 Apr 1835 in Wilgartswiesen, Pfalz, Bayern; died on 11 Feb 1923 in Noble County, Ohio, USA. [Group Sheet] [Family Chart]

1. Hannah Marie Haas was born on 26 Jun 1859 in Lewisville, Monroe County, Ohio, USA; died on 17 Jun 1951 in Liberty Township, Washington County, Ohio, USA; was buried in Waxler Cemetery, Liberty Township, Washington County, Ohio, USA.
2. Frederick Haas was born on 4 Dec 1860 in Elk Township, Noble County, Ohio, USA; died on 14 Jul 1946 in Woodsfield, Monroe County, Ohio, USA.
3. Phoebe Matilda Haas was born on 7 Dec 1862 in Bethel Township, Monroe County, Ohio, USA; died on 2 Jun 1950 in Woodsfield, Monroe County, Ohio, USA.
4. Anna Maria Haas was born on 9 Jun 1865 in Elk Township, Noble County, Ohio, USA; died on 1 Jun 1952 in Liberty Township, Washington County, Ohio, USA.
5. John W. Haas was born on 4 Oct 1869 in Elk Township, Noble County, Ohio, USA; died on 11 Dec 1947 in Salem, Washington County, Ohio, USA; was buried on 13 Dec 1947 in Salem, Washington County, Ohio, USA.
6. Caroline Louisa Haas was born on 22 Mar 1876 in Elk Township, Noble County, Ohio, USA; died on 15 Jan 1968 in Ohio, USA.