James W. Dellemann Obituary
With solemn hearts, we announce the passing of James W. Dellemann (Winneconne, Wisconsin), whose presence will be deeply missed, having departed on December 11, 2025 at the age of 86. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, Herman Dellemann and Emma Dellemann (Reuteler); his stepmother Monica Dellemann (O'Keefe); and his brother-in-law Eugene "Mike" Hartzheim. He is survived by: his sister Kathleen Hartzheim of Winneconne, WI; his niece Michelle "Missy" Hartzheim; his nephews, Michael "Mike" (Mary Hartzheim) of Midlothian, IL and Richard "Rick" Hartzheim of Appleton, WI.; his great-nieces, Megan Kennedy (Ben Axt) of Seattle, WA, Amanda Kennedy of Hutchinson Island, SC, Katherine "Katie" Hartzheim of Midlothian, IL, Sophie Hartzheim of Champagne, IL and Nora Hartzheim of St Augustine, FL.; his close friends, Mike and Dan Hinz; and his pets, Ruby and Hooch.
In lieu of flowers, a memorial will be established with the Oshkosh Area Humane Society in Jim's name.
