Johann Adam Hieronymus was born 20 September 1711 in Lorsbach, Limburg, Hessen. He married Katharina Margaretha (surname unknown). They have 2 known children: Elisabeth Margaretha (born about 1751) and Johann Heinrich (born about 1755). Johann Adam evidently died either in Germany or en route to the Volga, because Katharina Margaretha (now arried to Conrad Herklotz) and the two children are recorded on the 1767 census of Straub (Household No. 37). They had arrived in Straub on 12 July 1767.
Johann Heinrich moved to Warenburg where he died on 1 December 1831.
- Kaiser, Darrel P. Origin & Ancestors : Families Karle & Kaiser of the German-Russian Volga Colonies (Corpus Christi, TX: Darrel P. Kaiser, 2006), 315.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 238.