Joachim Albrecht von Bethmann-Hollweg was an ice hockey player from SC Riessersee. In 1935 he won the German Championship with Riessersee. At the 1936 Winter Olympics in Garmisch Partenkirchen he was a member of the German ice hockey team which finished fifth. In 1934 the team won the bronze medal at the World Championship. Von Bethmann-Hollweg was inducted into the German Ice Hockey Hall of Fame in 1988. He later went to live in Great Britain and became the paternal grandfather of singer and songwriter Rebecca Hollweg.