When Rolf Erwin Fengler was born on 5 December 1929, in Stettin, Pomerania, Prussia, Germany, his father, Erwin Wilhelm Paul Fengler, was 33 and his mother, Julie Pauline Elisabeth Charlotte Drath, was 27. He died in 1999, in Volxheim, Bad Kreuznach, Rhineland-Palatinate, Germany, at the age of 70.