Diane Lillian Klabacha, 56, passed away on Friday, April 16, 2021 at Glen Oaks Hospital in Glendale Heights, IL. Daughter of the late Glen W. and Arlene (Ossler) Venable, she was born on March 24, 1965 in Chicago, IL. Diane is loved and will be deeply missed by her sons, Nicholas Klabacha, Steven Klabacha, and Joseph Klabacha; grandchildren, Gage, Brooklyn, Audrina; brothers, Ken (Wendy) Venable, Glen (Debbie) Venable; sisters, Laurene (Tom) Deters, Marge (Carl Dilbeck) Venable. She was preceded in death by her parents, Glen and Arlene; niece, Elizabeth Muller. There will be a funeral service at 11:00 A.M. on Saturday, April 24, 2021 at Belvidere Funeral Home & Cremation Service. There will be a visitation from 9:00 A.M. until the time of service. Interment will take place at St. James Catholic Cemetery in Belvidere, IL. A memorial fund has been established in the family’s name.