Lillian C Dettmer died on May 29, 2021 at home in Broken Arrow, Ok at the age of 92. Lilly is survived by her daughter, Donna Rennhack of Broken Arrow and her grandsons, Matthew & Jeramie Rennhack & Chris Kneisley. Great grandchildren, Jake, Thomas, Scott, Marek Cryslynn, Ash & Alina. And great, great grandson Gabriel. She is preceded in death by her husband, John F Dettmer and her children, John W, Debby, Christine & Dawn Dettmer. She will be laid to rest in a family plot in Wayne Township Cemetery in West Chicago, Illinois.