Frederick married Ottilia Marie Sondgerath 19 Nov 1925, Indiana, United States. Ottilia (daughter of Peter W Söntgerath and Anna Catherine Schmitt) was born 21 Jul 1898, Benton County, Indiana, USA; died 13 May 1991, Lafayette, Tippecanoe, Indiana, USA. [Group Sheet]

1. Ottilia Marie Klinker was born 29 Dec 1926, Lafayette, Tippecanoe, Indiana, USA; died 28 Nov 2017.
2. Frederick Joseph Klinker was born 18 Mar 1928, Lafayette, Tippecanoe, Indiana, USA; died 3 Sep 1991, Indianapolis, Marion, Indiana, USA.
3. Catherine Ann Klinker was born 9 Feb 1930, Earl Park, Benton, Indiana, USA; died 9 Nov 2008, Jasper, Dubois, Indiana, USA.
4. Jerome Franklin Klinker was born 10 Dec 1933, Lafayette, Tippecanoe, Indiana, USA; died 3 Nov 2017.
5. D.C. Klinker
6. V.L. Klinker
7. Mary Virginia Klinker was born 17 Aug 1941, Lafayette, Tippecanoe, Indiana, USA; died 14 Jul 2012.