Born 12 Dec 1797 Schenectady, NY to David Mandeviel and Dinah Vanderhoof.
Served Flank Company 1st Regiment Middlesex Militia.
Received land for this service.
Married Frances Oswell b 1807 South Kortright, NY in 1831.
Frances and Henry had a son Charles in 1832 and Frances died soon after. Frances, the first wife is buried with Henry at Old St. Thomas Churchyard.
Henry remarried 20 June 1834 to Nancy Ann Thayer. Nancy Ann Thayer was born 21 Sep 1813 at Port Talbot. She died in 1861 in St. Thomas.
Henry died 9 Feb 1837.
Nancy Ann had a son, Sylvester Mandeville on 13 Sep 1837.