Cornelius married Elizabeth Ann PELTON about 1844 in Warwick, Orange, NY. Elizabeth (daughter of Henry PELTON and Elizabeth JOHNSON) was born on 9 Feb 1824 in Warwick, Orange, NY; and died. [Group Sheet] [Family Chart]

1. James DEMAREST was born on 29 Aug 1846 in Warwick, Orange, NY; died on 19 Dec 1846 in Warwick, Orange, NY.
2. Charles M. DEMAREST was born on 5 Feb 1848 in Warwick, Orange, NY; and died.
3. Frederick DEMAREST was born on 19 Jan 1850 in Warwick, Orange, NY; died on 11 May 1851 in Warwick, Orange, NY.
4. Dewitt C. DEMAREST was born on 18 Feb 1852 in Warwick, Orange, NY; and died.
5. Mary E. DEMAREST was born on 29 Apr 1854 in Warwick, Orange, NY; and died.
6. Henry P. DEMAREST was born on 25 Oct 1856 in Warwick, Orange, NY; and died.
7. Julia DEMAREST was born on 29 May 1858 in Warwick, Orange, NY; and died.
8. David DEMAREST was born on 27 Feb 1860 in Warwick, Orange, NY; and died.
9. Annie DEMAREST was born on 24 Apr 1862 in Warwick, Orange, NY; and died.