Dennis J. Heimermann, age 69 years, of Clintonville passed away unexpectedly Sunday, August 19, 2012, while attending a Christian Music Festival in Green Bay. Dennis Jacob Heimermann was born on May 31, 1943 in Green Bay to Peter and Rita (Heimermann) Mueller. He was raised by his grandparents, Jacob & Gretchen Heimermann in Appleton. Dennis graduated from Appleton High School in 1961 and went on for a year of general courses at UW Menesha. On February 10, 1964 he was united in marriage to Marianne A. Hubers at Holy Name Catholic Church, Kimberly. The couple lived in Appleton for many years and in 1993 they settled in Clintonville. He worked for over 40 years at Appleton Coated Paper Co. in Appleton, retiring in 2008. The couple also owned & operated Pigeon River Antiques, Clintonville, for eleven years. Dennis is a former member of St. Rose Catholic Church where he used his strong voice as a soloist, was a Knight of Columbus member, and sang in the Men’s Choir. Currently, he is a member of Grace Family Church, Marion, where he continued to share his gift of singing. Survivors include his wife, Marianne, and two daughters, Nicole (friend Kristopher Follmann) Stoll of Clintonville and Shannon Skar of Clintonville. There are six grandchildren, Andrew & Justin Miller, Roland & Randall Follmann, and Blaine & Willow Skar. There is a great granddaughter, Sophia Miller, two sisters, Joyce (Ray) Lake of Appleton and Doris (John) Weyers of Appleton. He is further survived by in-laws, 76 nieces & nephews, well over 100 great nieces & nephews, and many other friends. Dennis is preceded in death by his grandparents and his mother, Rita Mueller. Funeral service will be held on Friday, August 24th at 3:00 PM at Family of Christ – Assembly of God Church, Clintonville. Pastor Skip Robertson will officiate and inturnment will be at a later date at Sacred Heart Cemetery, Sherwood. Friends may call on Friday from 11:00 AM until time of service at the church. The Beil-Didier Funeral Home, Clintonville, is assisting the family. Online condolences may be sent via www.beil-didier.com. In lieu of flowers, a memorial fund will be established in Dennis’ name.