Pastor Heptner was born in 1862 in Rosenberg. In 1922 he was banished to the prison in Irdel where he remained until 1926. In 1929, he was sentenced to 10 years imprisonment which was commuted to exile in Spoloz a.d. Lena where he died on 17 March 1933. He served the parish in Näb from 1895 to 1929.
- Schnurr, Joseph, Die Kirchen und das religiöse Leben der Russlanddeutschen - Evangelischer Teil (Stuttgart: Landsmannschaft der Deutschen aus Russland, 1978): 142.