Cika wannan jumla: A cewar wata majiya umurnin kama Höltermann da aka bayar a 1934 ya ci gaba da aiki a duk lokacin da yake gudun hijira. Bayan
Yaƙin Duniya na II ya ƙare ga Jamus a watan Mayu 1945, tare da ƙarshen mafarkin Hitler, duk wani umarni mai ban mamaki daga 1934 ba shi da mahimmanci. Tsakanin 1945 da 1955 Höltermann ya ziyarci yankuna uku, wanda a watan Mayu 1949 ya zama Jamus ta Yamma. An ba da "Takardar Shaidar Naturalization" ta Burtaniya ga 'yarsa a ranar 5 ga Agusta, 1947, a lokacin da dangin ke zaune a Kings Langley, wani ƙauye mai wadataccen ƙauye kusa da London, kuma kusa da St Albans. Karl Höltermann ya kasance a Ingila har sai ya mutu makonni biyu kafin abin da zai zama ranar haihuwarsa ta sittin da ɗaya, a ranar 3 ga Maris, 1955.