Betty Ruth Lane Duncan, age 79, of Maryville, passed away Friday, July 31, 2020 at Asbury Place of Maryville.  Preceded in death by parents, James Edgar (Ed) and Mildred Long Lane; sister and brothers, Charlotte Lenderman, James Lane and George Lane.  Survivors include her daughter, Vicky McKee; granddaughters, Mindi Ford and Brooke McKee; brother and sister in law, Fred and Jeanette Lane; and several nieces and nephews, including special niece and nephew, Teresa Myers and Charles Breeden.  Funeral service will be held 2:00 p.m. Sunday, August 9, 2020 at Miller Funeral Home Magnolia Chapel, Mr. Bill McKee officiating.  Graveside service and interment will follow at Oakland Trigonia United Methodist Church Cemetery.  Family will receive friends 1:00 p.m. to 2:00 p.m. Sunday at Miller Funeral Home, Maryville (865) 982-6041, www.millerfuneralhome.org