Peter married Katharina Margaretha Helfrich in 1813/1815. Katharina (daughter of Lorenz Helfrich and Katharina Margaretha Hoff) was born on 29 Dec 1790 in Dahn, Pfalz, Bayern; died on 20 Feb 1846 in Dahn, Pfalz, Bayern; was buried on 22 Feb 1846 in Dahn, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Martin Dauenhauer was born on 11 Nov 1813 in Dahn, Pfalz, Bayern; was christened on 13 Nov 1813 in Dahn, Pfalz, Bayern; died on 14 Jun 1814 in Dahn, Pfalz, Bayern.
2. Katharina Dauenhauer was born on 18 Mar 1815 in Dahn, Pfalz; died on 19 Mar 1815 in Dahn, Pfalz.
3. Franz Anton Dauenhauer was born on 12 Jun 1816 in Dahn, Pfalz, Bayern; died on 24 Feb 1862 in Dahn, Pfalz, Bayern; was buried on 25 Feb 1862 in Dahn, Pfalz, Bayern.
4. Johannes Jakob Dauenhauer was born on 21 May 1819 in Dahn, Pfalz, Bayern; was christened on 22 May 1819 in Dahn, Pfalz, Bayern; died in in Dahn, Pfalz, Bayern.
5. Maria Anna Dauenhauer was born on 22 Apr 1823 in Dahn, Pfalz, Bayern; was christened on 23 Apr 1823 in Dahn, Pfalz, Bayern; died on 5 Mar 1855 in Dahn, Pfalz, Bayern; was buried on 7 Mar 1855 in Dahn, Pfalz, Bayern.
6. Josephina Dauenhauer was born on 12 May 1826 in Dahn, Pfalz, Bayern; died on 15 Jul 1890 in Dahn, Pfalz, Bayern; was buried on 17 Jul 1890 in Dahn, Pfalz, Bayern.
7. Johannes Dauenhauer was born on 16 Aug 1830 in Dahn, Pfalz, Bayern; was christened on 17 Aug 1830 in Dahn, Pfalz, Bayern; died on 24 Jul 1864 in Dahn, Pfalz, Bayern.
8. Peter Dauenhauer was born on 29 Jun 1835 in Dahn, Pfalz, Bayern; was christened on 2 Jul 1835 in Dahn, Pfalz, Bayern; died on 1 Jan 1852 in Dahn, Pfalz, Bayern.