Memorials may be made to Charity of your choice. MAMELIAN, Betty J., St. Peters, MO, September 27, 2007 age 80; loving wife of the late Arshaver P. Mamelian; devoted mother of Michael P. (Cynthia) Mamelian and Siran L. Dow; cherished grandmother of Mark Mamelian, and Kristen (Dan) Leadbetter. She was preceded in death by her parents, Rhesa J. And Bertha L. Alliston; sisters, Helen Joyce Alliston and Dorothy Dell Koeting; and brother, Rhesa J. Alliston, Jr. Mrs. Mamelian was a nurse for Barnes Hospital, St. Louis for 25 years before retiring.