Janet R. (Marshall) Nessan, 85, of Great Falls, a business woman, died of natural causes Tuesday, October 11, 2011, at Bee Hive Homes.Graveside services will be held in Highland Cemetery on Saturday, October 15, 2011, at 11:30 a.m. Schnider Funeral Home is handling arrangements.Survivors include daughters Lana Stewart of Lewistown and Deborah Hansen of Great Falls; sisters Mabel Jacobson of Chester and Edith Cherry of Houston, TX; six grandchildren and 11 great-grandchildren.She was preceded in death by her husband, Richard Nessan.