Friedrich married Sybilla Singer on 21 Jan 1862 in Fulda, Enoch Township, Noble County, Ohio, USA. Sybilla (daughter of Franz Joseph Jakob Singer and Maria Magdalena Zwick) was born on 6 Feb 1841 in Bruchweiler-Bärenbach, Pfalz, Bayern; died on 26 Oct 1928 in Fulda, Enoch Township, Noble County, Ohio, USA; was buried in Saint Mary of the Immaculate Conception Cemetery, Fulda, Enoch Township, Noble County, Ohio, USA. [Group Sheet] [Family Chart]

1. Rosa Christina Fox was born on 24 May 1866 in Ohio, USA; died on 15 Mar 1952 in Wheeling, Ohio County, West Virginia, USA; was buried in Mount Calvary Cemetery, Wheeling, Ohio County, West Virginia, USA.
2. Eva Mathilda Fox was born on 17 Aug 1868 in Jefferson, Noble County, Ohio, USA; died on 25 Mar 1962 in Wheeling, Ohio County, West Virginia, USA; was buried in Mount Calvary Cemetery, Wheeling, Ohio County, West Virginia, USA.
3. Maria Anna Fox was born on 4 May 1871 in Fulda, Enoch Township, Noble County, Ohio, USA; died on 9 Oct 1962 in Zanesville, Muskingum County, Ohio, USA.
4. Katherine Fox was born on 17 Aug 1873 in Jefferson, Noble County, Ohio, USA; died on 28 Feb 1958 in Columbus, Franklin County, Ohio, USA.
5. Herman G. Fox was born on 7 Apr 1876 in Jefferson, Noble County, Ohio, USA; died in 1953.
6. Anna Catharina Fox was born on 23 Jul 1878 in Fulda, Enoch Township, Noble County, Ohio, USA; died on 5 Mar 1960 in Zanesville, Muskingum County, Ohio, USA.
7. Ignatz Fox was born on 15 Nov 1881 in Fulda, Enoch Township, Noble County, Ohio, USA; died on 17 Dec 1968 in Caldwell, Noble County, Ohio, USA; was buried in Saint Mary of the Immaculate Conception Cemetery, Fulda, Enoch Township, Noble County, Ohio, USA.
8. Albert Jacob Fox was born on 30 Apr 1883 in Noble County, Ohio, USA; died on 11 Mar 1967 in Aultman Hospital, Canton, Stark County, Ohio, USA.
9. Cecilia Eva Fox was born on 21 Nov 1885 in Enoch Township, Noble County, Ohio, USA; died on 17 Jun 1961 in Noble County, Ohio, USA.