Johannes married Barbara Laag on 8 Jul 1715 in Oberotterbach, Pfalz. Barbara (daughter of Franz Laag and Margarethe Hahn) was born in 1694 in Pfalz; died on 10 Feb 1761 in Oberotterbach, Pfalz. [Group Sheet] [Family Chart]

1. Anna Maria Hier was born in 1716 in Oberotterbach, Pfalz.
2. Maria Agatha Hier was born on 31 Oct 1726 in Oberotterbach, Pfalz; was christened on 31 Oct 1726 in Oberotterbach, Pfalz.
3. Franz Hier was born on 12 Jun 1732 in Oberotterbach, Pfalz; was christened on 12 Jun 1732 in Oberotterbach, Pfalz; died on 31 Jan 1774 in Oberotterbach, Pfalz.
4. Johannes Michael Hier was born on 29 Jun 1735 in Oberotterbach, Pfalz, Bayern; was christened on 29 Jun 1735 in Oberotterbach, Pfalz, Bayern.