Felix married Rosina Mootz on 27 Jul 1899 in Wernersberg, Pfalz, Bayern. Rosina (daughter of Thomas Mootz and Anna Meyer) was born on 23 Sep 1875 in Wernersberg, Pfalz, Bayern; was christened on 23 Sep 1875 in Wernersberg, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Karl Müller was born on 26 Sep 1899 in Wernersberg, Pfalz, Bayern; died on 23 Jan 1983.
2. Wilhelm Müller was born in 1901 in Wernersberg, Pfalz, Bayern.
3. Otto Joseph Müller was born on 28 Jul 1902 in Wernersberg, Pfalz, Bayern; died on 11 Dec 1973 in Dahn, Landkreis Südwestpfalz, Rheinland-Pfalz; was buried in Friedhof Hauenstein, Hauenstein, Landkreis Südwestpfalz, Rheinland-Pfalz.
4. Maria Anna Müller was born in 1904 in Wernersberg, Pfalz, Bayern.
5. Rosa Müller was born in 1906 in Wernersberg, Pfalz, Bayern.