Charles married Tulleken Jemima Jones on 14 Jul 1768 in St. George Hanover Square, Westminster, London. Tulleken (daughter of James Jones and Jemima or Mary Tulleken) was born about 1747; died on 14 Feb 1779; was buried on 19 Feb 1779 in St. Mary's, Culford, Suffolk. [Group Sheet] [Family Chart]

1. Mary Cornwallis was born on 28 Jun 1769; was christened on 23 Jul 1769 in St. James, Westminster, Middlesex, England; died on 26 May 1857 in 37 Curzon St., London; was buried on 01 Jun 1857 in Kensal Green (All Souls' Cemetery), London.
2. 2nd Marquess Cornwallis, Charles Cornwallis was born on 19 Oct 1774; was christened on 24 Oct 1774 in St. Mary's, Culford, Suffolk; died on 09 Aug 1823 in His Mansion in Old Burlington-street; was buried in St. Mary's, Culford, Suffolk.