KOWALSKI - Diane H. (nee Dielman) May 20, 2013, beloved mother of Laurel (Gregory) Berry, Kenneth (Dana), Kurt (Kathie) Kowalski, Kathi (Robert) Lederman and the late Karen (Kevin) Rank; loving grandmother of 12; cherished great-grandmother of three; dear sister of Judith (Charles) Partsch and the late Robert Dielman; also survived by nieces and nephews. The family will be present to receive friends Saturday 4-7 PM at BEACH-TUYN FUNERAL HOME, INC., 5541 Main St. (at Cayuga Rd.), Williamsville, where a funeral service will follow at 7 PM. Flowers gratefully declined. Memorials may be made to Northeast Kidney Foundation 110 Broadway Street Buffalo, NY 14203