<prompt> Hans Hiltebrand akaberekwa musi wa18 Ndira 1945 mutambi weSwitzerland uyo akakwikwidza kubva mukupera kwema1970 kusvika mukupera kwema1980. Akakunda menduru shanu paFIBT World Championships negoridhe mbiri Vaviri-murume: 1977, Varume vana: 1987  <response>: uye sirivha nhatu Vaviri-murume: 1982, 1987; Four-murume: 1981. 