Johannes Ries (son of Johannes Ries) and Sophia Elisabetha Eberhard married at the Reformed church in Altenhaßlau on 24 Feb 1756. They had four children baptized there before immigrating to Russia: Johann Georg, born 13 Mar 1756, Anna Elisabeth, born 31 Oct 1758, Johannes, born 11 Aug 1761, and Johannes (later called Jonas), born 19 Oct 1764. The family arrived in Russia on 31 May 1766, and is recorded in the Warenburg First Settlers List in Family #120.
- Parish records of Altenhaßlau on Archion.de.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010) p. 63
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Nordost-Institute, 2008): p. 339
