Mark Dennis SEITHEL
January 19, 1958 - December 2, 2025
With heavy hearts, we announce the passing of Mark Dennis Seithel, 67 years old of Warrenton, MO, on December 2nd, 2025. He was born on January 19th, 1958, to Edward and Virginia Seithel. He grew up in Jennings, MO. He was a private man... View Obituary & Service Information
