Gessner married Eliza Lewis Carter Tucker on 15 Dec 1830 in Albemarle County, Virginia, USA. Eliza (daughter of George Tucker and Maria Ball Carter) was born on 9 Dec 1808 in Pittsylvania County, Virginia, USA; died on 11 Mar 1893 in Charlottesville, Albemarle County, Virginia, USA; was buried in Charlottesville, Albemarle County, Virginia, USA. [Group Sheet] [Family Chart]

1. Maria Carter Harrison was born on 14 Nov 1831 in Virginia, USA; died on 21 Oct 1857 in Charlottesville, Albemarle County, Virginia, USA; was buried in Charlottesville, Albemarle County, Virginia, USA.
2. Mary Stuart Harrison was born on 10 Feb 1834; died on 8 Dec 1917.
3. George Tucker Harrison was born on 23 Jul 1835 in Charlottesville, Albemarle County, Virginia, USA; died on 4 Oct 1925 in Mount Kisco, Westchester County, New York, USA.
4. Edward Tiffin Harrison was born on 9 Sep 1837; died on 2 Dec 1873.
5. Peachy Gessner Harrison was born on 24 Dec 1839.
6. Charles Carter Harrison was born on 10 May 1842; died in 1882.
7. Henry William Harrison was born on 15 Sep 1844.
8. Eleanor Rosalie Harrison was born on 16 Jul 1847; died on 7 Apr 1920.
9. Robert Lewis Harrison was born on 2 Mar 1850; died on 20 Jul 1932; was buried in Charlottesville, Virginia, USA.
10. Francis Washington Harrison was born on 15 Feb 1852; died on 10 Jun 1852.

Peachey married Mary Stuart on 29 Feb 1804 in Rockingham Parish, Virginia, USA. Mary was born on 12 Sep 1783; died on 19 Sep 1857; was buried in Harrisonburg, Virginia, USA. [Group Sheet] [Family Chart]

Benjamin married Jane Smith. [Group Sheet] [Family Chart]