Hadwen is survived by his wife of 68 years, the former Johanna Wilmer; his daughter, Debra (Daryl) Holliday of Mexico; his two sons, Dennis (Sheri) DeLong of Rochester and Dean (Robin Manwaring) DeLong of Mexico; along with nine grandchildren and 14 great-grandchildren.
Funeral services will be held at 3 p.m. Saturday from the Harter Funeral Home, 9 Washington Avenue, Mexico NY. Friends may call from 1 to 3 p.m. at the funeral home prior to the service. In lieu of flowers, contributions in Hadwen’s name may be made to Friends of Oswego County Hospice, P.O. Box 102, Oswego NY, 13126.