Ronald W Zissler Sr 79, Pecatonica, passed away suddenly Friday September 15, 2023. He was born April 20, 1944, in Savanna, IL son of Warner and Mary (Longnecker) Zissler. Married Rosemary E Merlo in Rockford, IL July 25, 1964. Ronald retired from Sheet Metal Workers Local 219 after 50 years. Ronald was a hard worker and loved his family. He loved to travel and enjoyed history. Enjoyed tinkering with anything that had an engine. Ronald was an active member of Freeport Mennonite Church for many years. Survived by his wife of 59 years, Rosemary E (nee Merlo) Zissler; son Ronald W (Tamae Morrison) Zissler Jr; daughters Roxanne M (J Scott) Salivar and Rhonda L (Bob) Oakey. Grandchildren Rachel Zissler, Kyle Zissler, Allen (Morgan) DeGarmo, Zachary Salivar, Autumn Oakey, Robert Oakey and Christopher Zissler. Great Grandchildren Tracie DeGarmo, Elijah Zissler, Gracie DeGarmo, Roseallie Salivar, Howard DeGarmo, Aydin Salivar, Owen Hollis and Westyn Salivar. Siblings Mary Jane McGrath, Judy Zissler, Sharon (Tim) McCoy, Bob Zissler, Gary (Brenda) Zissler and Kim Zissler. Many cousins, nieces and nephews. Predeceased by parents, sister Shirley Alley, brothers Warner Zissler and Larry Zissler. Grandson Jacob William DeGarmo. A funeral ceremony will be held at 11:00 am on Saturday September 23, 2023 in Freeport Mennonite Church 3416 E. Brick School Road with Pastor Kenneth Hawes officiating. Burial will be in Rosehill Cemetery in Pecatonica, IL. A visitation will be held at the Church from 9:30 to time of ceremony on Saturday.