Age 91, of Bethel Park, on Saturday, April 3, 2021. Beloved husband of 57 years to the late Christa C. Hopf; loving father of Ann (Erich) Kern and Richard (Melanie) Hopf; loving "Opa" of Elizabeth (Matthew Hoertz), Erich Michael Kern and Justin, Ethan, Tyler, Lennox Hopf and Macyn Senkinc. Preceded in death by his parents, Karl and Anna Hopf and brothers, Gerhard and Horst. Also survived by many loving nieces and nephews. Family and friends welcome THURSDAY, from 4-8 p.m. FREYVOGEL-SLATER FUNERAL DIRECTORS, 112 Fort Couch Road, Bethel Park (opposite Macy's South Hills Village), where a Funeral Service will be held on FRIDAY at 12 noon. Interment to follow at Bethel Cemetery. In lieu of flowers, suggested donations may be made to Bethel Park Public Library. www.slaterfuneral.com