Johannes married Barbara Dauenhauer on 10 Nov 1834 in Dahn, Pfalz, Bayern. Barbara (daughter of Johannes Dauenhauer and Katharina Eva Keller) was born on 31 Jul 1812 in Dahn, Pfalz; died on 27 Jan 1867 in Dahn, Pfalz, Bayern; was buried on 28 Jan 1867 in Dahn, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Johannes Blau was born on 28 Jul 1835 in Dahn, Pfalz, Bayern.
2. Katharina Blau was born on 30 Apr 1839 in Dahn, Pfalz, Bayern; was christened on 1 May 1839 in Dahn, Pfalz, Bayern.
3. Ottilia Blau was born on 15 Jun 1841 in Dahn, Pfalz, Bayern; was christened on 17 Jun 1841 in Dahn, Pfalz, Bayern; died on 10 Jul 1897 in Dahn, Pfalz, Bayern.
4. Jakob Blau was born on 25 Jan 1843 in Dahn, Pfalz, Bayern; was christened on 26 Jan 1843 in Dahn, Pfalz, Bayern.
5. Anna Maria Blau was born on 12 Dec 1845 in Dahn, Pfalz, Bayern; was christened on 13 Dec 1845 in Dahn, Pfalz, Bayern; died on 3 Feb 1849 in Dahn, Pfalz, Bayern.
6. Maria Anna Blau was born on 11 Apr 1852 in Dahn, Pfalz, Bayern; died on 23 Apr 1852 in Dahn, Pfalz, Bayern.
7. Simon Blau was born on 11 Apr 1852 in Dahn, Pfalz, Bayern; died on 30 Nov 1897 in Dahn, Pfalz, Bayern.

Georg married Katharina Riesbeck about 1800. Katharina was born in 1774; died on 20 Dec 1827 in Dahn, Pfalz, Bayern. [Group Sheet] [Family Chart]