Jon B. Humleker

August 6, 1947 - September 24, 2021

Jon B. Humleker, 74, of Fond du Lac, died on Friday, September 24, 2021, at St. Agnes Hospital. He was born on August 6, 1947, in Fond du Lac, the son of Andrew O. Sr. and Ellen J. Benson Humleker. He was a graduate of L.P. Goodrich High School, Class of 1966. He attended U.W. Oshkosh, graduating in 1974. On March 4, 1972, he married Susan “Susie” K. Rosenthal, at Church of Our Saviour in Fond du Lac. She preceded him in death on June 20, 2018. Jon worked as a steamfitter in HVAC at Hansen Refrigeration and later years for Advantage. He was a member of Ascension Lutheran Church and also the Steamfitter Union. He enjoyed art, working on old cars and baking. He is survived by his children: Jessica (Jesse) Burg of Fond du Lac, Benjamin (Stacy) Humleker of Fond du Lac and Steven Humleker of Ridgeway; four grandchildren: Sadie and Hudson Burg and Ava and Cason Humleker; his sister Joann (Douglas) Kiehn of Rock Hill, SC and his sisters-in-law Christine Humleker of Eldorado and Barbara Rosenthal (Sal) of Lake Mills, WI; his brother-in-law Lee (Jan) Rosenthal of Topeka, KS. He is preceded in death by his parents, his wife, his brother Andy Humleker Jr. and his sister Emily (Herbert) Falkenberg. VISITATION: Friends may call from 10:30 – 12:00 PM, on Monday, October 4, 2021, at Ascension Lutheran Church, 901 County V, Fond du Lac. SERVICE: Memorial Services will be held at 12:00 PM, on Monday, October 4, 2021, at Ascension Lutheran Church, with Pastor Jeffrey Blain officiating. Inurnment to follow at All Faiths Mausoleum in Rienzi Cemetery. In lieu of flowers, memorials appreciated to Ascension Lutheran Church.