Mark Steven Lettow, of Portage, passed away on Wednesday, December 17, 2025 at the age of 73. He was the eldest of three sons born on April 8, 1952, in Kalamazoo to Max and Mary Lettow. He battled a heroically against Alzheimer's disease, and he faced it with remarkable dignity for over eight years.

A complete obituary is in the process of being written. 

Mark has been cremated and a memorial gathering will be held at a later date. 

While at www.amsfuneralhomes.com please take time to sign his guestbook and share your favorite memory with his family. 

The Lettow family is being cared for by the Avink, McCowen & Secord Funeral Homes and Cremation Society, 5975 Lovers Lane, Portage, MI 49002 (269) 344-5600.