Samuel married Sarah Ellen Fyock on 19 Apr 1887 in Pennsylvania, USA. Sarah (daughter of Jacob Fyock and Elisabetha Wise) was born on 1 Mar 1867 in Indiana County, Pennsylvania, USA; died on 29 Nov 1952 in Green Township, Indiana County, Pennsylvania, USA. [Group Sheet] [Family Chart]

1. Glenn Fyock Mumau was born on 5 Nov 1887 in Green Township, Indiana County, Pennsylvania, USA; died on 11 Jul 1959 in Pennsylvania, USA.
2. Martin Wendell Mumau was born on 23 Aug 1889 in Green Township, Indiana County, Pennsylvania, USA; died on 11 Jun 1970 in Pennsylvania, USA.
3. David Webster Mumau was born on 7 Apr 1891 in Green Township, Indiana County, Pennsylvania, USA; died on 8 Jan 1970 in Pennsylvania, USA.
4. Alice Jane Mumau was born on 19 Mar 1893 in Green Township, Indiana County, Pennsylvania, USA; died on 12 Sep 1960 in Pennsylvania, USA.
5. Frank Royal Mumau was born on 24 Apr 1895 in Green Township, Indiana County, Pennsylvania, USA; died on 22 Jan 1961 in Pennsylvania, USA.
6. Mary Mae Mumau was born on 31 May 1898 in Green Township, Indiana County, Pennsylvania, USA; died on 20 Aug 1898 in Green Township, Indiana County, Pennsylvania, USA.
7. Harvey Edward Mumau was born on 25 Dec 1901 in Green Township, Indiana County, Pennsylvania, USA; died on 1 Nov 1984 in Pennsylvania, USA.
8. Eva Blanch Mumau was born on 12 May 1904 in Green Township, Indiana County, Pennsylvania, USA; died in in Golden City, Barton County, Missouri, USA.