William married Elizabeth Burnet 1 Nov 1837, Cincinnati, Ohio. Elizabeth (daughter of Jacob Burnet and Rebecca Wallace) was born 23 Jun 1818, Cincinnati, Ohio; died 5 Apr 1889, Comfort Point, Virginia. [Group Sheet]

1. May A. Groesbeck was born 1 Oct 1838, Cincinnati, Ohio; died 7 Dec 1852, Cincinnati, Ohio.
2. Rebecca Burnet Groesbeck was born 6 Dec 1839, Cincinnati, Ohio; died 2 Jul 1914; was buried , Providence, Providence County, Rhode Island, USA.
3. Jacob Burnet Groesbeck was born 23 Aug 1842, Cincinnati, Ohio; died 4 Feb 1846, Cincinnati, Ohio.
4. William John Groesbeck was born 23 Nov 1844, Cincinnati, Ohio; died 9 Oct 1845, Cincinnati, Ohio.
5. Elizabeth 'Lillie' Burnet Groesbeck was born 1845, Cincinnati, Ohio; died 19 Oct 1928, Worthing, West Sussex, England.
6. Dr. Herman John Groesbeck was born 22 May 1849, Cincinnati, Ohio; died 9 Oct 1925, Cincinnati, Ohio.
7. Caroline Thew Groesbeck was born 12 Sep 1849, Cincinnati, Ohio; died Feb 1863, Cincinnati, Ohio; was buried , Cincinnati, Hamilton County, Ohio, USA.
8. Telford Groesbeck was born 5 Aug 1854, Cincinnati, Ohio; died 14 Jan 1936, Cincinnati, Ohio.
9. Julia Groesbeck was born 5 Sep 1854, Cincinnati, Hamilton County, Ohio; died 1 March 1919, Manhattan, New York County, New York; was buried , White Plains, Westchester County, New York, USA.