Jacob married Clara Margaret Seibert on 5 Jun 1900 in Perry County, Illinois, USA. Clara (daughter of Ferdinand Seibert and Mary Angelica Kunz) was born on 30 May 1882 in Du Quoin, Perry County, Illinois, USA; died on 23 Mar 1935 in Swanwick, Perry County, Illinois, USA; was buried on 26 Mar 1935 in McElvain Cemetery, Du Quoin, Perry County, Illinois, USA. [Group Sheet] [Family Chart]

1. Jennie Catherine Wooldridge was born on 29 Aug 1901 in Perry County, Illinois, USA; died on 3 Mar 1972 in Du Quoin, Perry County, Illinois, USA.
2. Carl Jacob Wooldridge was born on 23 May 1904 in Perry County, Illinois, USA; died on 17 Feb 1984 in Du Quoin, Perry County, Illinois, USA.
3. Emma Marie Wooldridge was born on 12 Sep 1907 in Du Quoin, Perry County, Illinois, USA; died on 6 Mar 1989 in Gridley, Butte County, California, USA.
4. Clara Rose Wooldridge was born on 14 Jan 1911 in Perry County, Illinois, USA; died on 4 Apr 2003 in Du Quoin, Perry County, Illinois, USA; was buried in Old Du Quoin Cemetery, Du Quoin, Perry County, Illinois, USA.
5. Ellen Flossie Wooldridge was born on 23 May 1915 in Du Quoin, Perry County, Illinois, USA; died on 12 Oct 1973 in Illinois, USA.
6. Wilmer Elmer Wooldridge was born on 10 Jan 1922 in Perry County, Illinois, USA; died on 12 Sep 1969 in East St. Louis, St. Clair County, Illinois, USA.