Passed away peacefully surrounded by his family and friends on Friday, February 5, 2021 at the age of 87. Loving husband for 51 years of Shirley (nee Krafczyk) Rondorf. Beloved dad of Michael Rondorf and Duane (Helene) Rondorf. Cherished grandpa of Mickey (Tara) Rondorf, Mica Rondorf, Lexi Vallejo, Sam Rondorf and Ben Rondorf. Cherished great-grandpa of Raven, Autumn, Phoenix, Avalon, and Grayson. Dear brother of James (Norma) Rondorf, Chuck (Donna) Rondorf, Dennis (the late Sandy) Rondorf, Larry Rondorf, Marge (the late Jim) Lloyd, Patricia (Mel) Alvarado. Dear brother-in-law of the late Lorraine (Donald) Harling, Doris (Ronald) Chaulklin, Betty (Jerome) Grochowski, Roman (Nora) Krafczyk, Richard Krafczyk and Geraldine (Herbert) Beckstrom.  Preceded in death by his sibling; Richard (Joyce) Rondorf, Phyllis (Dewey) Syth, Judy Kay Rondorf, Janet (Bob) Kreuser, Nancy (Dave) Feucht.  Survived by an abundance of nieces, nephews and friends. A special thank you to his dear friends Andy and Mona Meyer for always watching over John and especially for Andy taking John on the Honor Flight in 2017. Due to the pandemic, a celebration of John's life will be planned for a future date.