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John Robert Granzow, age 56 of Janesville, WI passed away on April 23, 2026 at Mercy Hospital. He was born in Janesville on January 21, 1970, the son of Donald and Phyllis (Goehl) Granzow. He graduated from Cary Grove High School, Cary, IL and received an associate degree from McHenry County Community College. John was a talented artist who especially enjoyed doing drawings of his dog. He was a movie buff and a Star Wars collector and often did drawings of Star Wars objects and from movies he enjoyed.
John is survived by his mother, Phyllis Goehl; his uncle Ronald Goehl; cousins. He was preceded in death by his father, Donald J. Granzow and his brother, Bradley Granzow.
No visitation or service will be held. HENKE-CLARSON FUNERAL HOME & CREMATORY is assisting the family. Online condolences may be sent to www.henkeclarson.com.
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