Hans Bartholmess is found recorded in Wüstensachsen as having died before 1690. His son Heinrich was recorded as having been from Wüstensachsen also, but was married to Eva Richter in Gersfeld in 1690.
Nicolaus Bartholomai, a weaver from Gersfeld, arrived in Oranienbaum on 14 September 1766. His sons Nicolaus and Georg Bartholomäus arrived in Walter on 10 September 1767. Nicolaus is recorded there on the 1767 census in Household #17 and Georg in Household #103.
Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 299, 318.
Pleve, Igor. Bartholoma Family Chart.