Cornelius married Maria Elisabetha Mertzlufft on 20 Nov 1821 in Steinfeld, Pfalz, Bayern. Maria (daughter of Anton Schickel and Katharina Mertzlufft) was born in 1801 in Steinfeld, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Johannes Hasselbeck was born on 11 Feb 1823 in Steinfeld, Pfalz, Bayern; was christened on 12 Feb 1823 in Steinfeld, Pfalz, Bayern.
2. Cornelius Hasselbeck was born on 12 Dec 1824 in Steinfeld, Pfalz, Bayern; was christened on 13 Dec 1824 in Steinfeld, Pfalz, Bayern.
3. Margaretha Hasselbeck was born on 29 Aug 1829 in Steinfeld, Pfalz, Bayern; was christened on 29 Aug 1829 in Steinfeld, Pfalz, Bayern.
4. Magdalena Hasselbeck was born on 18 Feb 1831 in Steinfeld, Pfalz, Bayern; died on 21 Dec 1919 in Louisville, Jefferson County, Kentucky, USA; was buried on 23 Dec 1919 in Portland Cemetery, Louisville, Jefferson County, Kentucky, USA.
5. Katharina Hasselbeck was born on 18 Jan 1834 in Steinfeld, Pfalz, Bayern; was christened on 18 Jan 1834 in Steinfeld, Pfalz, Bayern.
6. Elisabetha Hasselbeck was born on 28 Oct 1837 in Steinfeld, Pfalz, Bayern; was christened on 28 Oct 1837 in Steinfeld, Pfalz, Bayern.
7. Stephan Hasselbeck was born on 2 Feb 1844 in Steinfeld, Pfalz, Bayern.
8. Anna Maria Hasselbeck was born on 2 Feb 1844 in Steinfeld, Pfalz, Bayern; was christened on 3 Feb 1844 in Steinfeld, Pfalz, Bayern.

Johannes married Margaretha Beck. [Group Sheet] [Family Chart]