Obit for son John Bolton Aiken (on the tombstone with parents and sister) in the Globe and Mail 24 Nov 1964, page 41.
It says Dr. John Bolton Aiken died at the Winnipeg General Hospital on Nov 27 1964. In his 75th year. Of Red Lake, Ontario. Husband of the late Edna Webster. Father of George of Red Lake. Grandfather of E, D, J and R. Interment St. Johns Norway Cemetery.
RK