Helen M. (Graham) Prater, 91, Wyandotte, OK passed away March 18, 2018 at Freeman West Hospital after a sudden illness. Helen Maxine Graham was born September 21, 1926 in Ottawa County, OK the daughter of George Washington and Inez May (Hollandsworth) Graham. Helen was a homemaker and a member of the Seneca Church of Christ. Helen Maxine Graham married Robert C. Prater December 7, 1944 in Miami, OK and together they ran a farm in rural Wyandotte. Robert (Bob) preceded her in death December 4, 2008. Helen was also preceded in death; one son, Jerry Prater; one sister, Isabel Sherwood; one brother, Robert Graham and one great-grandson Kaden Robinson. Survivors include one son, Larry Prater and wife Marcia, Wyandotte, OK; two daughters, Janie Ball and husband Richard, Grove, OK and Rennah Robinson and husband Leon, Claremore, OK; one daughter-in-law Pam Compton and husband Jerry, Joplin, MO; one sister, Wilma Hoffman, Seneca, MO; 10 grandchildren, Angela Fiechtl, Shari Probert, Susan Neal, Delinda Vaughn, Kenne Prater, Kurt Robinson, Kris Robinson, Lacey Prater, Ambry Thompson and Koby Prater and 21 great-grandchildren. The family will receive friends from 6 to 7 pm, Thursday, March 22, 2018 at the Seneca Church of Christ. Funeral services will be held at 2:00 pm Friday, March 23, 2018 at the Seneca Church of Christ with Jake King officiating. Burial will be in the Seneca Cemetery with Kurt Robinson, Kris Robinson, Kenne Prater, Koby Prater, Mark Vaughn and Bryce Probert serving as pallbearers. Arrangements under the personal direction of Campbell-Biddlecome Funeral Home, Seneca, MO. Memorial contributions can be made to Hope Harbor Children’s Academy in Claremore, OK, in care of Campbell-Biddlecome Funeral Home, PO Box 380, Seneca, MO 64865.