The bride is the daughter of Dr. Thomas and Linda Duncan of Le Mars. The bridegroom is the son of Richard and Judith Graff of Florence, Ky.
Matron of honor was the sister of the bride, Emily Knieriemen. Bridesmaids were Danielle Craig, Elizabeth Cotton, and Sharon Feichtner.
Best man was the brother of the bridegroom, David Graff. Groomsmen were Bill Graff, Bob Graff, and Danny Kramer.
A reception followed at Dakota Dunes Country Club in North Sioux City, S.D.
The bride received her B.A. degree in art history from Purdue University, and her masters in business administration from Northern Kentucky University. She is currently working as a designer at Wine Cellar Innovations in Cincinnati, Ohio.
The bridegroom received his B.S. in business management from Northern Kentucky University and is employed by Florence Nursery and Garden Center in Florence, Ky.
Following their wedding trip to Cozumel, Mexico, the couple will reside in the Cincinnati area.