William married Margaret A. Hazelwonder on 19 Apr 1919 in Illinois, USA. Margaret (daughter of Michael Hazelwonder and Caroline Lucinda Spang) was born on 23 Feb 1901 in Hardin, Calhoun County, Illinois, USA; died on 4 Feb 1994 in Illinois, USA. [Group Sheet] [Family Chart]

1. Eileen Margaret Klunk was born on 7 Apr 1920 in Hardin, Calhoun County, Illinois, USA; died on 22 Nov 1990 in Illinois, USA; was buried in St. Norbert's Cemetery, Hardin, Calhoun County, Illinois, USA.
2. Lorraine A. Klunk was born on 9 Jun 1923 in Hardin, Calhoun County, Illinois, USA; died on 21 Sep 2005 in St. Louis City, Missouri, USA; was buried in St. Michael's Cemetery, Michael, Calhoun County, Illinois, USA.
3. Eleanor Klunk was born on 30 May 1926 in Hardin, Calhoun County, Illinois, USA; died on 3 Dec 1984 in Illinois, USA.
4. Margaret Klunk
5. William Klunk
6. Robert Klunk