n, Timothy (Ty) Stevenson and Abigail Stevenson; six great grandchildren, Preston, Neil, Margot, Cylus and identical twins Crosby and Charles; one brother, Dr. Evan (Lois) Peterson Jr. of Wathena, Kansas; one sister, Julia Burham of Rochester, New York and nieces and nephews. She was preceded in death by her identical twin sister at birth, her parents Dr. Evan A. and Alice Peterson; son, Carl Arthur Bersch; brother, Robert W. Peterson; and great granddaughter, Miracle Renee Stevenson-Cooper. The graveside funeral service and interment for Ms. Bersch will be 10:30 a.m. Tuesday, October 18th at Aspen Grove Cemetery. A memorial has been established for Breast Cancer Research.