Johann Adam Herdt, son of Leopold & Anna Margaretha Herdt, was baptized in Offenbach on 13 May 1745. He married 4 April 1766 in Büdingen to Maria Barbara Zipp, also from Offenbach.
They arrived in Moor on 18 June 1767 and are recorded there on the 1767 Census in Household #61.
- Bonner, Wayne H. Volga German Settlers Identified in Isenburg and Other German Church Records Part I (Gardena, CA: Wayne Bonner, 2007): 53.
- 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): 60.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 171.