Greg and Julie Stever of McPherson, and Greg and Teresa Lyon of Emporia announce the engagement of their children, Kirstee Stever and Alex Lyon. Kirstee is a graduate of McPherson High School and holds a degree in elementary education from Emporia State University. She is a fourth-grade teacher at Riverside Elementary School in Emporia. Alex is a Hartford High School graduate and holds a bachelor’s degree in wildlife and fisheries biology from Kansas State University. He is completing a master’s degree in environmental biology at Emporia State University. Kirstee is the granddaughter of Dale and Sandy Vaughn of Akron, Colo., and Jerry and the late Mary Stever of Topeka. Alex is the grandson of Laureita and the late Meryln Lyon of Emporia and Lee and Joyce Stolfus of Emporia. The couple plan to wed June 25, 2011, at the First United Methodist Church in Emporia.