(nee Diermeier), at peace on Friday, October 1, 2021 age 98 years in Dade City, FL. Beloved wife of the late Harry E. Hammerling. Loving mother of Harry (Pat), Glen (Susan), Linda (Patrick) Koszuta and Mark (Linda) Hammerling. Cherished "grammie" of Shelley (Tony), Kristi (Phil), Brian (Caralee), Craig (Michelle), Katie (Graham), Taylor (Karen), Michael, Ted (Angelique), Kimberly (Andy), Melissa and Justin. Special great-grandmother of Aaron, Sydney, Andrew, Anthony, Brooklyn, Hailey, Rhegan, Harper, Cayla, Laney, Lucille, Margaret, Lily, Kenneth, Michael, Bjorn, Kiernan, Ryley, Ozma, Asher, Oliver and Elliot. Further survived by other family and friends. Lu and Harry had a wonderful retirement, moving to Valrico, FL in 1979, enjoying good times and new friends at the Feather Rock Community. Private family services. Interment Woodlawn Cemetery. If so desired memorials may be made to a charity of your choice. Prasser-Kleczka Funeral Home Bay View Chapel 414-483-2322