On Sunday, May 12, 2013, of Crofton, MD. Beloved husband of Catherine Heisler; father of the late John J. Heisler, III; brother of Rita and her husband Ronald Saraceni; uncle of Ron and Joy. A Mass of Christian Burial will be celebated at St. Elizabeth Ann Seton Catholic Church, 1800 Seton Dr., Crofton, MD on Monday, May 20, 2013 at 10am. Interment private.