John M. Dederich, 63, of De Pere, died unexpectedly in Indianapolis on Sunday morning, April 4, 2010, following the NCAA Final Four Basketball Game. The son of the late Clarence and Eunice (Verhagen) Dederich was born in Green Bay on July 4, 1946. John was a decorated war veteran and served his country in the U.S. Marine Corp from 1963 to 1966. On July 12, 1969, he married the former Karen Mazzara at Trinity Lutheran Church in Milwaukee. Mr. Dederich worked at Brown County Veterans Memorial Arena for over 40 years, and served as General Manager for many years. John enjoyed hunting, fishing, traveling, and NASCAR racing. He was a dedicated community volunteer and was involved with many Veterans Groups. He was a member of the Vietnam Vets 224, Marine Corp League, Military Order of the Purple Heart, Disabled American Vets, American Legion, the AmVets, United Patriotic Society, the Veterans of Foreign Wars, and was very instrumental in the Friends of the Brown County Veterans Memorial Project. John is also a member of several local wildlife groups, UWGB Alumni, the Green Bay Shriners, Vets of Valor, and was past member of the De Pere Jaycee's. Survivors include his wife, Karen, their children, Terry and Renee Dederich (daughter, Lillian), Jim Dederich, Kari and Matt Van Lanen (daughter, Adelaide), four brothers, Roy, Dale (Patricia), Dennis (Sally) , Gary Dederich, and one sister, Joy Ninham. He was preceded in death by his parents. Family and friends may call at RYAN FUNERAL HOME AND CREMATORY 305 North Tenth Street, De Pere from 4:00 to 8:00 pm on Thursday, April 8, 2010. Veterans Honor Guards will stand post at the funeral home throughout the evening. Visitation will continue on Friday morning at First Congregational Church United Church of Christ, Cedar at Tenth Streets, De Pere from 9:00 to 11:00 am Friday. Funeral services with Full Military Rites will be conducted at 11:00 am Friday at the church with Pastor Greg Watling, officiating. A memorial fund has been established. Please visit www.ryanfh.com to send on line condolences to the Dederich family.