Lindsey Clark and Nathan Heider, both of Lewistown, are engaged to be married on Sept. 21, at Ellen Chapel Church in Lewistown.

She is the daughter of Robert and Molly Clark, of Lewistown. She is a 2008 graduate of Lewistown Area High School and a 2012 graduate of Lock Haven University. She is employed as a resource parent specialist at Families United Network in Montoursville.

He is the son of Jeffery and Laurie Heider, of Lewistown. He is a 2004 graduate of Lewistown Area High School. He is employed as a shipping supervisor at FOXPRO Inc. in Lewistown.