Johannes Diepner, a single farmer, settled in the Volga German colony of Preuss on 12 May 1767. He is recorded there on the 1767 census in Household No. 139.
Johann[es] Diepner and his family are recorded on the 1798 census of Preuss in Household No. Ps74.
The death of Johannes Diepner in 1818 is recorded on the 1834 census of Preuss in Household No. 142.
His son, Georg Philipp Diepner, is recorded on the 1834 census of Hölzel in Household No. 28.
The 1767 census records that Johannes Diepner came from the German village of Heddernheim in the Kurmainz region.
- 1834 Hölzel Census (Household No. 28).
- 1834 Preuss Census (Household No. 142).
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Ps74.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 439.