Ruth A. (nee Dietz) Haefner, age 92, of Oakville, MO passed away on Wednesday, August 7, 2024. Beloved wife of the late Robert F. Haefner; loving mother of Gregory (Marsha) Haefner and Lynne (Brad) Kamin; dear grandmother of Melissa (Chad) Brown, Mark (Deanna) Haefner, Lauren (Weston) Harding, and Grant Kamin; dear great grandmother of Elle, Sam, Ruby, Mikayla, Kassidy (Brad), Hudson, Sawyer, and Wyatt; dear Godmother of Dean Moersch; dear sister of the late Thelma (Melvin) Geldbach and Calvin Dietz.