Johannes married Karolina Roos on 2 Nov 1848 in Monroe County, Ohio, USA. Karolina (daughter of Johannes Heinrich Jakob Roos Rose and Elisabetha Magdalena Jacky) was born on 4 Dec 1825 in Rumbach, Pfalz, Bayern; died on 7 Apr 1890 in Miltonsburg, Monroe County, Ohio, USA. [Group Sheet] [Family Chart]

1. Caroline Elisabetha Menkel was born on 16 Jul 1849 in Virginia, USA; died in in Woodsfield, Monroe County, Ohio, USA.
2. Henry Louis Menkel was born on 29 Aug 1851 in Monroe County, Ohio, USA; died on 4 May 1911 in Ohio, USA.
3. Juliana Menkel was born on 25 Jan 1853 in Miltonsburg, Monroe County, Ohio, USA; died on 9 May 1858 in Miltonsburg, Monroe County, Ohio, USA.
4. Charles Menkel was born on 15 Jun 1855 in Miltonsburg, Monroe County, Ohio, USA; died on 23 Jul 1929 in Miltonsburg, Monroe County, Ohio, USA; was buried in Oaklawn Cemetery, Woodsfield, Monroe County, Ohio, USA.
5. Friedrich Philip Menkel was born on 30 Dec 1857 in Miltonsburg, Monroe County, Ohio, USA; died on 8 Jul 1933 in Miltonsburg, Monroe County, Ohio, USA.
6. Julia Menkel was born on 27 Jan 1860 in Miltonsburg, Monroe County, Ohio, USA; died on 25 Nov 1933 in Miltonsburg, Monroe County, Ohio, USA.
7. Lucinda Charlotte Menkel was born on 3 Apr 1862 in Miltonsburg, Monroe County, Ohio, USA; died on 16 Aug 1927 in Monroe County, Ohio, USA; was buried in Oaklawn Cemetery, Woodsfield, Monroe County, Ohio, USA.
8. William Oliver Menkel was born on 27 Feb 1864 in Miltonsburg, Monroe County, Ohio, USA; died on 31 Jan 1927 in Wausega, Monroe County, Ohio, USA.
9. Edward Herman Menkel was born on 29 Apr 1868 in Miltonsburg, Monroe County, Ohio, USA; died on 15 Mar 1922 in Woodsfield, Monroe County, Ohio, USA; was buried in Oaklawn Cemetery, Woodsfield, Monroe County, Ohio, USA.
10. Theodore Franklin Menkel was born on 14 Feb 1870 in Miltonsburg, Monroe County, Ohio, USA; died on 27 Dec 1948 in Ohio, USA; was buried in Ansonia Cemetery, Ansonia, Darke County, Ohio, USA.