Mary Margaret Sellers, 90, of Sedalia, passed away Saturday, September 29, 2012, at her home.   She was born August 10, 1922, in Pettis County, daughter of Edgar Earl and Mary Virginia Ellis Dilthey. On February 10, 1944, at the Fifth Street Methodist Church in Sedalia, she married Frank Sellers, who survives of the home.   Mrs. Sellers was a member of Wesley United Methodist Church. She worked at the Sedalia Middle School.   In addition to her husband of 68 years, she is survived by a son, Frank Kenton Sellers, and his wife, Nancy, of Sedalia; a daughter, Marla Kay Tallman, and her husband, Daniel, of Sedalia; and five grandchildren, Crystal Hardy, Kyle Sellers, Brittany Tallman, Taylor Tallman and Daniel B. Tallman.   She was preceded in death by her parents and a son, Leland Sellers.   Graveside services and burial will be at 2:00 p.m. Wednesday, October 3, at Memorial Park Cemetery.   The family will receive friends from 12:30 to 1:45 p.m. Wednesday at Heckart Funeral Home.   Condolences may be offered at