worked in small circles until, in March 1949, he accepted the invitation from an engineer in Herford to visit his son. Death Gröning died at the age of 52 of stomach cancer; his ashes were buried in Dillenburg next to his younger son. References Notes Sources External links 1906 births 1959 deaths Deaths from cancer in France Faith healers German occultists German prisoners of war in World War II held by the Soviet Union People from Gdańsk