Kammala jumlar da ke gaba: Bayan Yaƙin Duniya na II ya ƙare, an ba da Fiebig zuwa Yugoslavia, inda aka yi masa hukunci kuma aka yanke masa hukunci game da laifukan yaƙi, musamman don rawar da ya taka a cikin
fashewar Belgrade a watan Afrilu na shekara ta 1941. An yanke wa Fiebig hukuncin kisa kuma aka kashe shi a shekara ta 1947.