Mark Detlef Schwanke passed away suddenly at home in the Soulard neighborhood of St. Louis, MO on October 21st, 2025. Mark was 72 years old.

He was born in Mobile, Alabama on August 1st, 1953.

Mark will be lovingly remembered by his two sons; Chris Schwanke and Dean Schwanke; his six year old grandson; his sister, Erica Fraley; his two nieces, Tina Collins and Julia Shinn; his three grandnephews, Carter Collins, Cole Collins and Dean Shinn; his grandniece Opal Shinn.

Mark was most proud of his work as a Vice President of an Industrial Cleaning Co. His passion was playing his guitar and performing locally in Soulard. He enjoyed his family and friends. Mark was academically gifted and enjoyed research into the world around us. Mark was bilingual and enjoyed speaking German, honoring his German ancestry.