John F. Oncken

John F Oncken Sun Prairie, WI - John Fredrick Oncken, Sun Prairie, WI was born on August 24th, 1931, in rural Westport, WI and left us on December 2, 2024, in Costa Mesa, CA.John was the oldest child of John Hajo and Melva Lillian May (Levenick) Oncken and brother to Don and Audrey. John...