Johann Friedrich Flath was born 4 August 1743 in Mümling-Grumbach, near Höchst im Odenwald. He and his wife Eva Margaretha, arrived in Russia on 13 Sep 1766. It appears that Eva Margaretha must have died during the journey to the village, because on the Frank 1767 Census Johann Friedrich's wife is recorded as Maria Magdalena.
- Gieg, Ella. "Neue Erkenntnisse zur Auswanderung nach Russland 1766."
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Fk085, Fk086, Wt023.
- Parish records of Höchst-im-Odenwald (LDS Films #1193268 and #1193269).