Johannes married Margaretha Schilling on 16 Sep 1830 in Wernersberg, Pfalz, Bayern. Margaretha (daughter of Joseph Schilling and Maria Margaretha Gläßgen) was born on 24 Aug 1795 in Wernersberg, Pfalz, Bayern; died on 5 Apr 1841 in Wernersberg, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Franziska Blaum was born on 1 Sep 1826 in Wernersberg, Pfalz, Bayern; died on 11 Nov 1906 in Annweiler am Trifels, Pfalz, Bayern.
2. Margaretha Blaum was born on 29 Sep 1829 in Wernersberg, Pfalz, Bayern.
3. Magdalena Blaum was born on 13 Apr 1833 in Wernersberg, Pfalz, Bayern; died on 31 Jan 1834 in Wernersberg, Pfalz, Bayern.
4. Michael Blaum was born on 31 May 1835 in Wernersberg, Pfalz, Bayern; died in 1902 in Wernersberg, Pfalz, Bayern.
5. Johannes Blaum was born on 29 Dec 1838 in Wernersberg, Pfalz, Bayern; was christened on 29 Dec 1838 in Wernersberg, Pfalz, Bayern; died on 1 Oct 1898 in Wernersberg, Pfalz, Bayern.