Robert Onken Obituary
It is with deep sorrow that we announce the death of Robert Onken of Janesville, Wisconsin, born in Minonk, Illinois, who passed away on August 16, 2025, at the age of 89, leaving to mourn family and friends. You can send your sympathy in the guestbook provided and share it with the family.
He was predeceased by: his parents, John Onken and Mary Onken. He is survived by: his siblings, Jim, Don Onken and Nancy Legg; his children, Robin Johnson (Steve), Kim Lopin (late Kerry) and Brenda Overturf (Leroy); his grandchildren, Kyle Lopin (Nat), Chase Johnson (Courtney), Chad Johnson (Danielle), Andrea Aasen, Heather Overturf and Bryant Overturf (Brianna); and his great grandchildren, Rylan, Vivian, Rhett Aasen, Jade, Astrid Johnson, Cohen Johnson, Sophia, Felix Lopin, Wyatt Overturf and Baby Overturf.
In lieu of flowers the family requests donations go to St. Croix Hospice or the Alzheimer's Association.
