Pastor Seib was born 26 December 1872 in Bergdorf (Odessa District) and died 12 January 1940. He served the congregations in Messer from 1899-1909, in Beideck from 1900-1903, in Warenburg from 1909-1918, in Saratov from 1918-1924, and in Taganrog from 1925-1931. In 1931, he was banned to the Aural Sea. He was free in 1934-1935 in Taganrog. In 1936, he went to Siberia and returned to Taganrog in 1937. In 1938, he went missing in Kazakhstan.
- Schnurr, Joseph. Die Kirchen und das religiöse Leben der Russlanddeutschen – Evangelischer Teil (Stuttgart: AER Verlag Landsmannschaft der Deutschen aus Rußland, 1978): 171.