Johannes married Katharina Rosina Seibel on 21 Jan 1817 in Hauenstein, Pfalz, Bayern. Katharina (daughter of Johannes Bartholomäus Seibel and Maria Barbara Brenner) was born on 7 Sep 1795 in Hauenstein, Pfalz; was christened on 7 Sep 1795 in Hauenstein, Pfalz; died on 8 Dec 1866 in Hauenstein, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Ludwig Jakob Mansmann was born on 7 May 1817 in Hauenstein, Pfalz, Bayern; died on 30 Apr 1887 in Pittsburgh, Allegheny County, Pennsylvania, USA.
2. Theodore Albert Mansmann was born on 5 Oct 1818 in Hauenstein, Pfalz, Bayern; was christened on 6 Oct 1818 in Hauenstein, Pfalz, Bayern.
3. Anna Barbara Mansmann was born on 1 Dec 1819 in Hauenstein, Pfalz, Bayern; was christened on 3 Dec 1819 in Hauenstein, Pfalz, Bayern.
4. Katharina Rosina Mansmann was born on 14 Jan 1821 in Hauenstein, Pfalz, Bayern; died on 18 Apr 1859 in Wernersberg, Pfalz, Bayern.
5. Wilhelmina Apollonia Mansmann was born on 16 Apr 1822 in Hauenstein, Pfalz, Bayern; was christened on 18 Apr 1822 in Hauenstein, Pfalz, Bayern; died on 17 Jan 1862 in Hauenstein, Pfalz, Bayern.
6. Maria Theresia Luisa Mansmann was born on 13 Sep 1824 in Hauenstein, Pfalz, Bayern; was christened on 14 Sep 1824 in Hauenstein, Pfalz, Bayern; died in 1914 in Pittsburgh, Allegheny County, Pennsylvania, USA.
7. Johannes Heinrich Mansmann was born on 8 Dec 1825 in Hauenstein, Pfalz, Bayern; was christened on 10 Dec 1825 in Hauenstein, Pfalz, Bayern; died on 29 May 1909 in Hauenstein, Pfalz, Bayern.
8. Anton Alois Mansmann was born on 27 Jan 1828 in Hauenstein, Pfalz, Bayern; died on 13 Oct 1872 in Hauenstein, Pfalz, Bayern.
9. Johannes Paul Theobald Mansmann was born on 26 Jun 1830 in Hauenstein, Pfalz, Bayern; died on 3 Dec 1897 in Pittsburgh, Allegheny County, Pennsylvania, USA; was buried in St. Michael's Cemetery, Pittsburgh, Allegheny County, Pennsylvania, USA.
10. Juliana Elisabetha Mansmann was born on 30 Nov 1832 in Hauenstein, Pfalz, Bayern; was christened on 1 Dec 1832 in Hauenstein, Pfalz, Bayern.
11. Friedrich Wilhelm Mansmann was born on 15 Dec 1835 in Hauenstein, Pfalz, Bayern; was christened on 16 Dec 1835 in Hauenstein, Pfalz, Bayern; died in 1895 in Pennsylvania, USA.

Joseph married Maria Eva Mattheis. Maria was born in 1770; died on 31 Dec 1816 in Elmstein-Neustadt an der Weinstraße, Pfalz, Bayern. [Group Sheet] [Family Chart]