John Duff Obituary

With heavy hearts, we announce the death of John Duff of Beloit, Wisconsin, who passed away on September 21, 2022 at the age of 75. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his father Thurman Duff. He is survived by: his wife Linda Duff (Wittchow); his children, Lesia Burzinski (Rodney), Leslie Vincetich (T. J.) and Jason Duff (Sunny); his grandchildren, Lynsey, Rebecca (Riley), Rachyl, Tyler, Sarah, Sydney, Emma and Laura; and his brother Warren Duff (Norma). He is also survived by many nieces, nephews, cousins, extended relatives, and close friends.

In lieu of flowers, a memorial is being established in Jack's name.