Johann Kaspar Grünwald was born 4 February 1723 in Groß-Felda, Alsfeld, Germany, the son of Hans Kasper Grünwald and Anna Elisabeth Scharmann. He married Anna Katharina Eisfelder on 12 August 1744. She was born 17 May 1718, the daughter of Johann Conrad Eisfelder and Anna Catharina Dietz. This family has been researched back to 1600’s with all lateral lineages researched also.
This family immigrated to Russia, settling in the Volga German colony of Frank where they are recorded on the 1767 census.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Fk067, Fk108.
- Parish records of Groß-Felda.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 429.