Nyorai kuenderera mberi kweiyi ndima - Ludwig Siebert (akazvarwa musi wa25 Gunyana 1939) aimbove mutambi wechiWest German uyo akakwikwidza mukati memakore ekuma1960. Akakunda menduru mbiri dzegoridhe mumutambo wevarume vana paFIBT World Championships (1962
, 1966). Ndarama muna 1966 yakapiwa zvichitevera kudonha kwakauraya mumwe wake mutambi Toni Pensperger panguva yemutambo wevarume vana. Pensperger akapiwa menduru yegoridhe mushure mekufa kwake apo Siebert nevamwe vake vakapona Helmut Werzer naRoland Ebert vakagamuchirawo ndarama dzavo.