Martin married Charlotte Yockey on 10 Feb 1880. Charlotte (daughter of Friedrich Jacky Yockey and Elizabeth Almina Wieneke) was born on 16 Dec 1857 in Newport, Johnson County, Iowa, USA; died on 30 Dec 1929 in Hornick, Woodbury County, Iowa, USA; was buried in Graceland Park Cemetery, Sioux City, Woodbury County, Iowa, USA. [Group Sheet] [Family Chart]

1. William Martin Eichhorn was born on 15 Dec 1880 in Iowa, USA; died in 0Aug 1975 in Sioux City, Woodbury County, Iowa, USA.
2. Emma Elizabeth Eichhorn was born on 25 Sep 1882 in Woodbury County, Iowa, USA; died on 3 Jan 1969 in Knox County, Illinois, USA; was buried in Roseville Cemetery, Roseville, Warren County, Illinois, USA.
3. Rollie Casper Eichhorn was born on 14 Feb 1885 in Holly Springs, Willow Township, Woodbury County, Iowa, USA; died on 1 Jan 1942 in Rodney, Monona County, Iowa, USA; was buried in Graceland Park Cemetery, Sioux City, Woodbury County, Iowa, USA.
4. Gertrude Mae Eichhorn was born on 2 Jun 1887 in Holly Springs, Woodbury County, Iowa, USA; died in 0Jul 1978 in Hornick, Woodbury County, Iowa, USA; was buried in Graceland Park Cemetery, Sioux City, Woodbury County, Iowa, USA.
5. Ella Eichhorn was born on 9 Jan 1890 in Willow, Woodbury County, Iowa, USA; died in 0Oct 1974 in Hornick, Woodbury County, Iowa, USA.
6. Nellie Eichhorn was born on 9 Jan 1890 in Willow, Woodbury County, Iowa, USA; died on 17 Oct 1979 in Jefferson, Greene County, Iowa, USA.
7. Hannah Maude Eichhorn was born on 13 Feb 1895 in Iowa, USA; died on 23 Sep 1986 in Spencer, Clay County, Iowa, USA.