Robert “Bob” Zamzow

November 8, 1957 – May 11, 2025

Hoffmann Estates — A much-loved husband, father, grandfather, son, brother and uncle, Robert “Bob” L. Zamzow, 67, of Hoffmann Estates, Illinois passed away on Sunday, May 11, 2025, with his family present. Bob bravely battled serious medical issues in recent years, and he stayed strong until the end.

Bob was born November 8, 1957, in Portage, Wisconsin. He grew up in the Wisconsin Dells/Lake Delton area. After graduating in 1976, he served six years in the US Navy, of which four years were onboard the USS Simon Bolivar where he earned the rank of Electronic Technician First Class and gained his vast knowledge of computers. Bob worked at various software companies in the Chicagoland area before his retirement. His hobbies included playing golf, scuba diving, and karaoke.

Bob is survived by his wife of 48 years, Karen Zamzow; his daughter, Beth (Jacob) Johnson; his two granddaughters, Aliva Johnson (Matthew Meyer) and Kaelyn Johnson; his mother, Joy Zamzow; his sister, Brenda (Randy) Ketelhut; his nephew, Randy (Lacie) Ketelhut, and Randy’s children, Kayla and Evan; and his niece, Melissa (Doug) Beernink, and Melissa’s children, Tessa, Jenna and Bryant.

Bob was preceded in death by his father, Robert H. Zamzow; and his grandparents, Donald and Gertrude Zamzow.

A Memorial Service will be held on Thursday, May 22, 2025 at 1pm, at Wisconsin Dells United Presbyterian Church – 730 Cedar St, Wisconsin Dells, Wisconsin, 53965. Memorial Donations can be made to Diveheart Outreach Center.

For further information, please contact DeFiore Funeral Home at 847-515-8772 or online condolences may be directed to www.defiorefuneral.com.