CANBY - Elizabeth Roebke and Erik Sillerud announce their engagement. Parents of the couple are John and Linda Roebke of Waconia and Cliff and Lila Sillerud of Canby. Roebke serves as associate pastor at American Lutheran Church in Billings, Mont. Sillerud works in sales for Applied Industrial Technologies also in Billings. The couple plans to be married Sept. 3, 2011, at Faith Lutheran Church in Waconia.