Markus married Margaretha Zeppel on 19 May 1860 in Wheeling, Ohio County, West Virginia, USA. Margaretha was born in 1833 in Bayern; died on 31 Dec 1879 in Wheeling, Ohio County, West Virginia, USA. [Group Sheet] [Family Chart]

1. John Arnold was born in 1862 in West Virginia, USA.
2. Catherine Martina Arnold was born on 18 Jun 1867 in Wheeling, Ohio County, West Virginia, USA; died on 19 Jan 1919 in Barnesville, Belmont County, Ohio, USA; was buried in Ozark Cemetery, Ozark, Sunsbury Township, Monroe County, Ohio, USA.
3. Elizabeth M. Arnold was born on 25 Nov 1869 in Wheeling, Ohio County, West Virginia, USA; died on 27 Mar 1901 in Ohio, USA; was buried in Immaculate Conception Cemetery, Ozark, Sunsbury Township, Monroe County, Ohio, USA.