Antoinette K. Tanke, age 77, of Hartland, passed away peacefully surrounded by family on February 19, 2018. Toni is survived by her children Christopher (Stephanie) Tanke and Susan (Charlie) Osborn, grandchildren Michael, Alexander, Jackson, Annalise Tanke, and Emily, Caroline, and Bennett Osborn, sister Patricia (Ron) Fortney, and brother James Delagrave, and many more family and friends. Toni is preceded in death by her loving husband of 48 years, Paul, her sister Marie Reihl, and brothers Warren and Gene Delagrave. As a nurse, Toni enjoyed caring for many patients throughout her career at St. Joseph's Hospital and Elmbrook Hospital. She will always be remembered as a loving wife, mother and grandmother. The family would like to thank the staff at Shorehaven Nursing Home for the loving care shown to Toni. In lieu of flowers, memorial donations in Toni's name may be made to the Alzheimer's Association. A Mass of Christian Burial will be held Monday, February 26, at 2:00pm at St. Jerome Catholic Church in Oconomowoc, with a visitation beforehand starting at 1:00pm.