Memorials may be made to the Diabetes Association. Loving father of Eric Janke (Stephanie); husband of Linda Janke; dear son of the late Karl and Leontine Valentine Ensminger Janke; loving brother of Gertrude Montes de Oca (Javier), David Lee Janke, Richard Martin Janke, Katherine Todd, Robert Joseph Janke, the late Isolde Nixon and Steven Michael Janke; cherished grandfather of Brendan, Ashley and Chad Janke. Mr. Janke was a member of Immanuel Lutheran Church. He began his career with the St. Charles County Sheriff's Department where he worked for four years. He retired after twenty-three years as a detective with the St. Peters Police Department. Mr. Janke managed and dedicated many years to the Junior and Senior American Legion Post 312 Baseball Team of St. Charles.