John D. Knollenberg Obituary
We are sad to announce that on October 8, 2022 we had to say goodbye to John D. Knollenberg of Boulder, Colorado, born in Mattoon, Illinois. You can send your sympathy in the guestbook provided and share it with the family. You may also light a candle in honor of John D. Knollenberg or send a beautiful flower arrangement to the funeral service.
He was predeceased by: his parents, William Knollenberg Jr. and Hellen Eleanor Knollenberg (Kastl). He is survived by: his wife Christina Knollenberg (Salvetti); and his children, Brian (Janice), Perry (Oanh) and Sally (Kurt). He is also survived by his three children as well as five grandchildren and five siblings.
October 26, 2022
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