Joyce B. Bergstrom (Blake), of Plymouth, 84, on November 6th at Radius Specialty Hospital in Boston. She is survived by her twin sons David L. of Plymouth and Dana of Middleboro. Joyce was born in Brooklyn, NY and moved to Plymouth in 1992 from New Jersey. She had worked for Rockefeller Center in market research, the A. C. Neilson Company, a secretary for R. J. Letourneau and worked in the advertising sales department at Time magazine. She enjoyed collecting antiques. A funeral service will be held on Friday, December 4th at the Richard Davis Funeral Home, 619 State Rd (Rt 3A), Plymouth (Manomet) at 9:30 followed by burial at West Parish Cemetery in Andover. Visiting hours will be held at the funeral home on Thursday, December 3rd from 6:30 to 8:30 PM.