Jefrey A. DeMuth, 68, of Duncansville, passed away Sunday at Conemaugh Memorial Medical Center.  He was born in Altoona, a son of Jack and Janet (Plummer) DeMuth. Jefrey is survived by his wife Elaine (Anker) DeMuth; his mother, Janet DeMuth; sons, Robert and Paul DeMuth; a brother, Jay DeMuth; a sister, Janine Briggs; and six grandchildren. He was preceded in death by his father, Jack DeMuth. Jefrey served in the U.S. Air Force during Vietnam. Services will be private. Arrangements are by Hindman Funeral Homes & Crematory Inc.