Johannes Stumpf (son of Johann Conrad and Johanna Maria Stumpf from Rothenbergen) was baptized on 10 July 1718. He married Anna Christina Amalia Ruppel (daughter of Johann Georg Ruppel from Langendiebach) on 29 February 1748. Anna Christina Amalia was born 7 November and baptized 10 November 1726 in Langendiebach. They had five children, all born in Rothenbergen and baptized in Gründau: Johann Wilhelm, born 9 May, baptized 11 May 1749; Anna Maria, born 19 January, baptized 21 January 1753; Anna Elisabetha, born 4 November, baptized 7 November 1756, died 31 May 1759; Johannes, born 27 January, baptized 30 January 1760, died 6 July 1763; and Maria Elisabetha, born 27 May, baptized 1 June 1763.
Johannes (widowed), his son Wilhelm and daughter Anna Maria settled in Balzer and are reported on the Balzer First Settlers List in Household #104.
Wilhelm and his family are reported on the Balzer 1798 Census in Household #23.
- Parish records of Gründau (including Mittelgründau, Niedergründau, Rothenbergen, Lieblos, Roth, and Gettenbach) on Archion.de
- Parish records of Langendiebach on Archion.de
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): p. 104
- 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): Volume 1, p. 258