MARSHALL - Erin Seldat and Nicholas Kline announce their engagement. Parents of the couple are Peggy and George Seldat of Marshall and Roberta and David Kline of Rosemount. Seldat is a 2002 Southwest Minnesota State University graduate. She is teaching and pursuing a PhD in sociology and demography at South Dakota State University in Brookings. Kline is scheduled to graduate in the spring of 2011 with a degree in business management and marketing from SMSU. Kline presently works with the SMSU Southwest Marketing Advisory Center. The couple plans to marry July 9, 2011.