Age 85 Salem, SD April 2, 2024 Gregor Streff, 85, of Salem, SD, passed away Tuesday, April 2, 2024 at his home under hospice care. A memorial mass was held on Monday, April 8 at St. Mary’s Catholic Church in Salem. Gregor Streff was born August 25, 1938 to Henry and Joyce (Barnhouse) Streff on…