70 Sheldon, Iowa April 6, 2024 Marilyn Oldenkamp, 70, of Sheldon, Iowa, passed away Saturday, April 6, 2024, at Sanford Sheldon Senior Care. Services were Monday, April 15, at Vander Ploeg Funeral Home, Sheldon. Marilyn F. Oldenkamp was born Aug. 13, 1953, in Sheldon, daughter of Henry and Jennie (Van Meeteren) Oldenkamp. She attended and…