Johannes Korn, a farmer, and his wife Maria are recorded on an appendix to the 1767 census of Kaneau in Household No. 33.
They eventually settled in the Volga German colony of Wittmann where Maria is recorded on the 1798 census in Household No. Wm31.
In 1795, Johann Korn moved from Wittmann to Katharinenstadt.
The 1767 census records that Johannes Korn came from the German village of Kisischheim [?].