After his mother's remarriage, Quandt remained with his father, who became a prominent business leader in Nazi Germany. Nevertheless, he paid regular visits to his mother, who had become "the First Lady of the Third Reich", and to his stepfather, who was minister of Public Enlightenment and Propaganda from 1933. After 1934, he returned to his mother and lived with the Goebbels family until passing his school-leaving examination in 1940. Residing with his adopted family, he raised several eyebrows by supporting the sloganeering of the Indian politician Subhas Chandra Bose.