Roy John Kempfer, 64, of Prairie du Rocher, passed away Aug. 19, 2026, in Prairie du Rocher. The memorial visitation will be from 1-5 p.m. on Friday, Aug. 28 at Quernheim Funeral Home in Waterloo. The memorial service will be held at 5 p.m. on Friday, Aug. 28 at Quernheim Funeral Home.