Jeffrey Wallace Knapp 47, of Thief River Falls, MN passed away on January 1, 2015 in Miami, FL. Funeral service will be held Friday, January 16, 2015, at 4:00 PM in Johnson Funeral Service in Thief River Falls, MN with Larry Myhrer Presiding. Visitation will be held one hour prior to the service. Jeffrey Wallace Knapp was born February 10, 1967 at Thief River Falls, MN son of Wallace Arthur and Helma Caryl (Tweten) Knapp Sr. He was raised Kenosha, WI where he attended Curtis Strange Grade School and High School. The family moved back to Thief River Falls in 1983. The past few years Jeffrey has lived in various places throughout the US. Jeffrey enjoyed working on cars, listening to music and visiting with family and friends. He is survived by his two children Travis Knapp (Alyssa) and Tyler (Kaylee) Nyland, grandchildren Allie Kay Nyland, Duane Wallace Nyland and Sophia Marie Nyland, Connor James Knapp all of Fargo, ND; mother Helma Knapp of Thief River Falls, MN; siblings, Carol Jean (Roland) Bellanger of Waubun, MN, Karena Marie (Jeremy) Yockey of Waterloo, Iowa, Wallace Arthur Knapp Jr. of Andrews, NC, Janelle Magen (Brent) Elseth of Ada, MN, nieces and nephews Jade, Mark, Fox, Zachary, Dylan, Fawn, Jessika, Jasmine and Cassandra. He is preceded in death by his father Wallace, grandparents Grace and Howard Tweten and Margaret and Archie Knapp Sr. along with many aunts and uncles.