Clement married Margurite Catherine Singer on 14 Sep 1910 in West Virginia, USA. Margurite (daughter of John L. Singer and Elizabeth Catherine Haid) was born on 18 Apr 1891 in West Virginia, USA; died on 11 Feb 1946 in Wheeling, Ohio County, West Virginia, USA; was buried on 14 Feb 1946 in West Virginia, USA. [Group Sheet] [Family Chart]

1. Charles Francis Klug was born on 6 Jul 1911 in Proctor, Wetzel County, West Virginia, USA; died in 0May 1976 in Weirton, Hancock County, West Virginia, USA.
2. Bernard Anthony Klug was born on 31 Oct 1914 in West Virginia, USA; died on 14 Dec 2000 in Bluefield, Mercer County, West Virginia, USA; was buried on 18 Dec 2000 in Saint Joseph Cemetery, Saint Joseph, Marshall County, West Virginia, USA.
3. Agnes Cecilia Klug
4. William Walter Klug was born on 28 Jul 1920 in Proctor, Wetzel County, West Virginia, USA; died on 29 May 2001 in New Martinsville, Wetzel County, West Virginia, USA; was buried in Saint Joseph Cemetery, Saint Joseph, Marshall County, West Virginia, USA.
5. Eleanor Marie Klug
6. Leo Joseph Klug was born on 15 Aug 1926 in Proctor, Wetzel County, West Virginia, USA; died in 0Apr 1989 in Nevada, USA.
7. Louis Clement Klug was born on 26 Nov 1928 in Proctor, Wetzel County, West Virginia, USA; died on 9 Dec 1928 in Proctor, Wetzel County, West Virginia, USA.
8. Catherine Rita Klug
9. Joseph Robert Klug