Joan (nee Kern) Klementowski, of Williamsville, NY passed away peacefully on May 3, 2024 at age 87. Loving wife of the late William Klementowski; beloved mother of Karen (Richard) Nagorski, Tom (Patricia) Klementowski and Lisa (Frank) Testa; cherished grandmother of 7; dear sister of Robert (Mary Ann) Kern, Judy (late Albert) Stewart and Linda (Charles) Regan. Joan was a vibrant and caring woman. A graduate of Cleveland Hill High School, Joan married the love of her life at 21 years old. She was blessed with 52 years of marriage to Bill, who filled her life with love, happiness, wine and chocolate. Joan was a devoted mother, a stronghold of her family and will be deeply missed by all who knew her. She was small statured with a tremendous spirit and was more deeply loved than she could have ever imagined. Relatives and friends may visit PERNA, DENGLER, ROBERTS FUNERAL HOME, 1671 Maple Rd., Williamsville, NY 14221 on Thursday (May 9, 2024) from 4-6pm. A Mass of Christian Burial will be celebrated at St. Gregory the Great Church, 200 St. Gregory Ct., Williamsville, NY 14221 on Friday (May 10, 2024) at 8:45am. Please assemble at church. Interment Mt. Calvary Cemetery. In lieu of flowers, contributions in Joan's memory may be made to the Hospice Foundation of WNY, PO Box 590, Buffalo, NY 14240.