John Mark Waldorf Obituary
With heavy hearts, we announce the death of John Mark Waldorf of Waterloo, Iowa, who passed away on October 22, 2025 at the age of 75. Leave a sympathy message to the family on the memorial page of John Mark Waldorf to pay them a last tribute.
He was predeceased by: his parents, Horace "Kaye" Waldorf and Harleen Waldorf (Harper); and his son Douglas Duke. He is survived by: his wife Darlene Reed; his son Dani Duke (Rona); his sisters, Ann Williams (Denny), Diana Baker, Beth Maifeld (Ron), Jane Fernandes and Caroline Isbell (Bob); and his grandchildren, Matthew Duke, Megan Smith (Ryan), Michael Duke, Jenna Duke, Holli Duke Frohn (Matthew), Bess Diesburg (Scott) and Jered Baldwin. He is also survived by seven great-grandchildren.
Memorials may be directed to Cedar Valley Hospice.
