Robert "Bob" H. Prey Sr., 85, De Pere, passed away peacefully Monday morning May 17, 2021. He was born October 18, 1935 to the late Herman and Irma (Dain) Prey. On April 23, 1998 he married Marlene Van Gruensven. A long-time truck driver, Bob went on to do mechanic work at Progressive Farmer's in De Pere before retiring. In his retirement Bob enjoyed his time at their home in Crivitz. An avid sports fan, Bob liked watching NASCAR, the Brewers, and the Packers. It was the time he spent with Marlene and the rest of the family that meant the most to him. He is survived by his wife Marlene, his children, Robert Prey Jr., and Lori Ray. Marlene's children; Edward (Lori) Hock, Sherri (Joe) Hoffman, Tammy (Duane) Campbell, and Jesse (Laura) Hock. Grandchildren; Amanda, Jamie, Cory, Courtney, Jonathon (Brandy), Allen (Megan), and Lucas. Great Grandchildren; Emmanuel, Bayle, Yessenia, Ben, Gabriel, McKenna, Dominik, Brooklynn, Vivian, Willow, and Braxton. Bob's siblings; Arlene, Judy, and Susie (Tom). Marlene's siblings, Sharon (Hank), and Larry (Janet), as well as numerous nieces, nephews, and friends. Bob was preceded in death by his parents, his granddaughter Amanda, great granddaughter Taylor, his son-in-law Tom, and siblings, Gerald, Gary, Nancy, and Ronnie. Friends and family may visit at Ryan Funeral Home 305 N. Tenth Street, De Pere from 12:00PM – 3:00PM on Friday May 21, 2021.