"Grandma Knock-Knock" (nee Possing) Died peacefully at home surrounded by her family on Monday, August 29, 2016. Age 70 years. Beloved wife for 46 years of Robert. Loving mother of Ann (Chris) Bosanec, David (Nina), Matthew (Heather) and Scott (Carly) Santi. Dear grandmother of Ryan, Ellie, Ethan and Danielle. Preceded in death by her siblings Lois Szczech and brother Thomas Possing. Further survived by in-laws, nieces, nephews, cousins and other relatives and friends. Visitation at the Funeral Home, on TUESDAY, September 6, from 4-7PM. Prayer service at 7PM. Mass of Christian Burial on Wednesday 11AM at THE CHURCH OF THE IMMACULATE CONCEPTION, 1023 E. Russell Ave., Milwaukee. (Please meet at church at 10:45AM) Private interment. Margaret was a former dispatcher for the St. Francis Police Department. Throughout the years she volunteered with many organizations including the St. Francis Police Auxiliary and the St. Francis Days Committee and will be sorely missed. The family would like to thank Dr. Howard with the Vince Lombardi Cancer Clinic and Dr. Hari with the Froedtert Cancer Clinic. In lieu of flowers, memorials can be made to the Vince Lombardi Cancer Clinic or the Leukemia Lymphoma Society. Prasser-Kleczka Funeral Home 3275 South Howell Ave Milwaukee, WI 53207 414-483-2322