Other severe trials faced by Rudolf were the loss of his beloved mother, who died of typhus in the Ravensbrück concentration camp, and seeing his father weaken in faith to the point that he signed a document in which he renounced being one of Jehovah’s Witnesses.
Rudolf bertekun menghadapi banyak cobaan. Ibunya meninggal akibat tifus di kamp konsentrasi Ravensbrück.