Whakaotihia te rerenga e whai ake nei: I whakaakona a Hugo i te kura nohoanga i whakahaerehia e nga nuns i Aalbeke, a, i wheako ia i te nohoanga o Tiamana o Belgium i te Pakanga Tuarua o te Ao. He mea whakapakari te wheako, ana ka hurihia e Claus i muri mai ki tana haurua haurua "The Sorrow of Belgium" (1983). Ko te nuinga o nga kaiako a Claus he mana whenua Flemish e aroha ana ki te fascism, a ka uru atu a Claus ki te parirau taitamariki pro-Tiamana o te Flemish National Union. I mauheretia hoki tōna pāpā i muri i te
Te whakaoranga mo te mahi tahi. He hoa aroha o te taha maui tōrangapū i te wā pakeke ake i roto i tona ora, Claus whakamoemiti te tauira pāpori i muri i te haerenga ki Cuba i roto i te 1960s.