Johann Matern Hartmann (born 29 Jun 1708, the son of Johann Conrad Hartmann and Anna Catharina Sauerwein) married in Kleestadt on 13 Feb 1742 to Anna Catharina Holtzapffel (born 6 Oct 1713 in Klein Umstadt, the daughter of Johann Adam and Anna Barbara Holtzapffel). They had the following children, all born in Kleestadt on the following dates: Maria Elisabetha, born 25 April 1743 (died); Johann Adam, born 1 November 1744; Heinrich Christoph, born 26 Nov 1745; Maria Elisabetha, born 5 Feb 1747; Johann Valentin, born 10 April 1748 (died); Anna Margaretha, born 22 December 1749 (died); Eva, born 24 August 1751 (died); Eva Maria, born 3 July 1753; Anna Margaretha, born 1 February 1757; and Ottilia, born 11 Aug 1759 (died). The Kleestadt parish records note that Johann Matern Hartman's widow and children went to "Astracan" In 1766.
The Büdingen marriages report a marriage on 17 June 1766 between Johann Adam Hartmann from Kleestadt and Appollonia Bleitz from Brensbach. The next marriage, on the same day, is Johann Wendel Hill from Spitzaltern and Maria Elisabetha Hartmann.
Johann Adam and Appollonia Hartmann are reported on the Walter First Settlers’ List as Family #75, Wendel and Elisabeth Hill in Family #96, Christoph and Catharina Hartmann in Family #105, and the widow Catharina Hartmann with her two youngest daughters in Family #107.
Additionally, there is an orphan Phillip Hartman recorded in First Settler's List Family #87. His relationship to the other Hartmann families is unknown.
- Parish records of Kleestadt on Archion.de.
- Mai, Brent Alan and Dona Reeves-Marquardt. German Migration to the Russian Volga (1764-1767) (Lincoln, NE: American Historical Society of Germans from Russia, 2003): p. 95
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Nordost-Institute, 2008): pp. 311, 314, 316, 318 and 319.