Grandparents of the couple are JoAnne Dung of Onawa and Marvin and Marcella Nemmers of Le Mars.
The couple is planning a Sept. 24, 2005, wedding at St. John's Lutheran Church in Le Mars. The reception will follow the ceremony at the Le Mars Convention Center lower level.
Amanda is a 1999 graduate of Le Mars Community High School and a 2002 graduate of the University of South Dakota with an associate degree in dental hygiene. She is a dental hygienist with Dr. Bjorge Family Dentistry.
Troy is a 1999 graduate of Gehlen Catholic High School in Le Mars. He graduated from Western Iowa Tech Community College in 2001 with an associate degree in police science. He is employed as a jailer for Plymouth County.