Johannes married Katharina Kugler on 13 Jan 1749 in Steinfeld, Pfalz, Bayern. Katharina (daughter of Johannes Wendelin Kugler and Katharina) was born on 16 Mar 1724 in Steinfeld, Pfalz; died on 4 Feb 1785 in Steinfeld, Pfalz. [Group Sheet] [Family Chart]

1. Johannes Martin Aprill was born on 21 Nov 1749 in Steinfeld, Pfalz.
2. Regina Aprill was born on 11 Jun 1751 in Steinfeld, Pfalz.
3. Andreas Aprill was born on 20 Aug 1753 in Steinfeld, Pfalz; died on 22 Apr 1779 in Steinfeld, Pfalz.
4. Wilhelm Aprill was born on 5 Sep 1756 in Steinfeld, Pfalz.
5. Johannes Jakob Aprill was born on 24 Apr 1759 in Steinfeld, Pfalz.
6. Johannes Georg Aprill was born on 12 Feb 1762 in Steinfeld, Pfalz; died on 7 Apr 1764 in Steinfeld, Pfalz.
7. Anna Eva Aprill was born on 13 Oct 1765 in Steinfeld, Pfalz.