Donald "Coach" was the beloved husband of the late Helen A. Tritz; loving father of Linda (Richard) Branch, Dave (Mary Beth) Tritz, and Brenda Wall; proud grandfather of Matthew (Lori), and Adam (Monica) Tritz, Andrew and April Branch, Charlie and Benjamin Wall; great-grandfather of 4; special friend of Eileen Caplan. Preceded in death by parents, Frank A. and Mary C. Tritz. Mr. Tritz served in the United States Army during the Korean conflict. He was owner of Don's Auto Body in St. Charles Missouri for 27 years prior to his retirement. He was a member of St. Joseph Catholic Church, Knights of Columbus, Elk's Lodge, St. Charles Lion's Club, VFW Post #2866, C&H Athletic Association and St. Charles County Amateur Sports Hall of Fame. His hobbies were bowling, hunting and fishing, which he enjoyed immensely. Memorials may be given to Dream Factory or Missouri Department of Conservation.