MARSHALL - Joshua DeYonge and Audra Ahlschlager announce their engagement. Parents of the couple are Randy King of Rushmore and Debra DeYonge of Marshall, and Karen and the late Alan Ahlschlager of Marshall. DeYonge is a 2002 graduate of Marshall High School and a 2008 graduate of Southwest Minnesota State University with a bachelor's degree in business management. He is employed as a sales and rental coordinator at Ziegler Cat in Marshall. Ahlschlager is a 2000 graduate of RTR High School in Tyler and a 2002 graduate of Minnesota West. She is employed as a nurse at Avera Marshall. The couple plans an Aug. 25, 2012, wedding at St. Stephen Lutheran Church in Marshall.