Johannes married Katharina Rothschmitt on 3 Feb 1756 in Busenberg, Pfalz. Katharina (daughter of Balthasar Rothschmitt and Maria Katharina Keller) was born in 1731 in Busenberg, Pfalz; died on 1 Apr 1790 in Busenberg, Pfalz. [Group Sheet] [Family Chart]

1. Maria Barbara Keller was born on 25 Feb 1758 in Busenberg, Pfalz; was christened on 25 Feb 1758 in Busenberg, Pfalz.
2. Johannes Georg Keller was born on 6 Nov 1760 in Busenberg, Pfalz; was christened on 6 Nov 1760 in Busenberg, Pfalz.
3. Johannes Martin Keller was born on 21 May 1764 in Busenberg, Pfalz; was christened on 21 May 1764 in Busenberg, Pfalz; died on 9 Jun 1836 in Bundenthal, Pfalz, Bayern.
4. Anna Maria Keller was born on 11 Sep 1766 in Busenberg, Pfalz; was christened on 11 Sep 1766 in Busenberg, Pfalz.
5. Katharina Keller was born on 27 May 1769 in Busenberg, Pfalz; was christened on 27 May 1769 in Busenberg, Pfalz; died on 11 Feb 1840 in Schindhard, Pfalz, Bayern.